Fix some whitespace and other style issues

In addition to whitespace:
- wrapped a few long lines
- added parenthesis to return statements
diff --git a/include/mbedtls/aria.h b/include/mbedtls/aria.h
index fc8ca98..1617bf1 100644
--- a/include/mbedtls/aria.h
+++ b/include/mbedtls/aria.h
@@ -81,8 +81,9 @@
  *
  * \return         0 if successful, or MBEDTLS_ERR_ARIA_INVALID_KEY_LENGTH
  */
-int mbedtls_aria_setkey_enc( mbedtls_aria_context *ctx, const unsigned char *key,
-                         unsigned int keybits );
+int mbedtls_aria_setkey_enc( mbedtls_aria_context *ctx,
+                             const unsigned char *key,
+                             unsigned int keybits );
 
 /**
  * \brief          ARIA key schedule (decryption)
@@ -93,8 +94,9 @@
  *
  * \return         0 if successful, or MBEDTLS_ERR_ARIA_INVALID_KEY_LENGTH
  */
-int mbedtls_aria_setkey_dec( mbedtls_aria_context *ctx, const unsigned char *key,
-                         unsigned int keybits );
+int mbedtls_aria_setkey_dec( mbedtls_aria_context *ctx,
+                             const unsigned char *key,
+                             unsigned int keybits );
 
 /**
  * \brief          ARIA-ECB block encryption/decryption
@@ -107,9 +109,9 @@
  * \return         0 if successful
  */
 int mbedtls_aria_crypt_ecb( mbedtls_aria_context *ctx,
-                    int mode,
-                    const unsigned char input[16],
-                    unsigned char output[16] );
+                            int mode,
+                            const unsigned char input[16],
+                            unsigned char output[16] );
 
 #if defined(MBEDTLS_CIPHER_MODE_CBC)
 /**
@@ -136,11 +138,11 @@
  *                 MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH
  */
 int mbedtls_aria_crypt_cbc( mbedtls_aria_context *ctx,
-                    int mode,
-                    size_t length,
-                    unsigned char iv[16],
-                    const unsigned char *input,
-                    unsigned char *output );
+                            int mode,
+                            size_t length,
+                            unsigned char iv[16],
+                            const unsigned char *input,
+                            unsigned char *output );
 #endif /* MBEDTLS_CIPHER_MODE_CBC */
 
 #if defined(MBEDTLS_CIPHER_MODE_CFB)
@@ -171,12 +173,12 @@
  *                 MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH
  */
 int mbedtls_aria_crypt_cfb128( mbedtls_aria_context *ctx,
-                       int mode,
-                       size_t length,
-                       size_t *iv_off,
-                       unsigned char iv[16],
-                       const unsigned char *input,
-                       unsigned char *output );
+                               int mode,
+                               size_t length,
+                               size_t *iv_off,
+                               unsigned char iv[16],
+                               const unsigned char *input,
+                               unsigned char *output );
 #endif /* MBEDTLS_CIPHER_MODE_CFB */
 
 #if defined(MBEDTLS_CIPHER_MODE_CTR)
@@ -203,12 +205,12 @@
  * \return         0 if successful
  */
 int mbedtls_aria_crypt_ctr( mbedtls_aria_context *ctx,
-                       size_t length,
-                       size_t *nc_off,
-                       unsigned char nonce_counter[16],
-                       unsigned char stream_block[16],
-                       const unsigned char *input,
-                       unsigned char *output );
+                            size_t length,
+                            size_t *nc_off,
+                            unsigned char nonce_counter[16],
+                            unsigned char stream_block[16],
+                            const unsigned char *input,
+                            unsigned char *output );
 #endif /* MBEDTLS_CIPHER_MODE_CTR */
 
 #ifdef __cplusplus
diff --git a/include/mbedtls/ssl_ciphersuites.h b/include/mbedtls/ssl_ciphersuites.h
index 13f84a4..7d5eba0 100644
--- a/include/mbedtls/ssl_ciphersuites.h
+++ b/include/mbedtls/ssl_ciphersuites.h
@@ -169,44 +169,44 @@
 #define MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA256           0xC03A /**< Weak! No SSL3! */
 #define MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA384           0xC03B /**< Weak! No SSL3! */
 
-#define MBEDTLS_TLS_RSA_WITH_ARIA_128_CBC_SHA256          0xC03C /**< TLS 1.2 */
-#define MBEDTLS_TLS_RSA_WITH_ARIA_256_CBC_SHA384          0xC03D /**< TLS 1.2 */
-#define MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256      0xC044 /**< TLS 1.2 */
-#define MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384      0xC045 /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256  0xC048 /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384  0xC049 /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256   0xC04A /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384   0xC04B /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256    0xC04C /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384    0xC04D /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256     0xC04E /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384     0xC04F /**< TLS 1.2 */
-#define MBEDTLS_TLS_RSA_WITH_ARIA_128_GCM_SHA256          0xC050 /**< TLS 1.2 */
-#define MBEDTLS_TLS_RSA_WITH_ARIA_256_GCM_SHA384          0xC051 /**< TLS 1.2 */
-#define MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256      0xC052 /**< TLS 1.2 */
-#define MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384      0xC053 /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256  0xC05C /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384  0xC05D /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256   0xC05E /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384   0xC05F /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256    0xC060 /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384    0xC061 /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256     0xC062 /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384     0xC063 /**< TLS 1.2 */
-#define MBEDTLS_TLS_PSK_WITH_ARIA_128_CBC_SHA256          0xC064 /**< TLS 1.2 */
-#define MBEDTLS_TLS_PSK_WITH_ARIA_256_CBC_SHA384          0xC065 /**< TLS 1.2 */
-#define MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256      0xC066 /**< TLS 1.2 */
-#define MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384      0xC067 /**< TLS 1.2 */
-#define MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256      0xC068 /**< TLS 1.2 */
-#define MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384      0xC069 /**< TLS 1.2 */
-#define MBEDTLS_TLS_PSK_WITH_ARIA_128_GCM_SHA256          0xC06A /**< TLS 1.2 */
-#define MBEDTLS_TLS_PSK_WITH_ARIA_256_GCM_SHA384          0xC06B /**< TLS 1.2 */
-#define MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256      0xC06C /**< TLS 1.2 */
-#define MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384      0xC06D /**< TLS 1.2 */
-#define MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256      0xC06E /**< TLS 1.2 */
-#define MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384      0xC06F /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256    0xC070 /**< TLS 1.2 */
-#define MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384    0xC071 /**< TLS 1.2 */
+#define MBEDTLS_TLS_RSA_WITH_ARIA_128_CBC_SHA256         0xC03C /**< TLS 1.2 */
+#define MBEDTLS_TLS_RSA_WITH_ARIA_256_CBC_SHA384         0xC03D /**< TLS 1.2 */
+#define MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256     0xC044 /**< TLS 1.2 */
+#define MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384     0xC045 /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256 0xC048 /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384 0xC049 /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256  0xC04A /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384  0xC04B /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256   0xC04C /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384   0xC04D /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256    0xC04E /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384    0xC04F /**< TLS 1.2 */
+#define MBEDTLS_TLS_RSA_WITH_ARIA_128_GCM_SHA256         0xC050 /**< TLS 1.2 */
+#define MBEDTLS_TLS_RSA_WITH_ARIA_256_GCM_SHA384         0xC051 /**< TLS 1.2 */
+#define MBEDTLS_TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256     0xC052 /**< TLS 1.2 */
+#define MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384     0xC053 /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256 0xC05C /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384 0xC05D /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256  0xC05E /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384  0xC05F /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256   0xC060 /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384   0xC061 /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256    0xC062 /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384    0xC063 /**< TLS 1.2 */
+#define MBEDTLS_TLS_PSK_WITH_ARIA_128_CBC_SHA256         0xC064 /**< TLS 1.2 */
+#define MBEDTLS_TLS_PSK_WITH_ARIA_256_CBC_SHA384         0xC065 /**< TLS 1.2 */
+#define MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256     0xC066 /**< TLS 1.2 */
+#define MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384     0xC067 /**< TLS 1.2 */
+#define MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256     0xC068 /**< TLS 1.2 */
+#define MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384     0xC069 /**< TLS 1.2 */
+#define MBEDTLS_TLS_PSK_WITH_ARIA_128_GCM_SHA256         0xC06A /**< TLS 1.2 */
+#define MBEDTLS_TLS_PSK_WITH_ARIA_256_GCM_SHA384         0xC06B /**< TLS 1.2 */
+#define MBEDTLS_TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256     0xC06C /**< TLS 1.2 */
+#define MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384     0xC06D /**< TLS 1.2 */
+#define MBEDTLS_TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256     0xC06E /**< TLS 1.2 */
+#define MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384     0xC06F /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256   0xC070 /**< TLS 1.2 */
+#define MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384   0xC071 /**< TLS 1.2 */
 
 #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 0xC072 /**< Not in SSL3! */
 #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 0xC073 /**< Not in SSL3! */