Switch to the new code style

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/include/test/drivers/cipher.h b/tests/include/test/drivers/cipher.h
index 33a5e66..54c37f7 100644
--- a/tests/include/test/drivers/cipher.h
+++ b/tests/include/test/drivers/cipher.h
@@ -41,10 +41,10 @@
 
 #define MBEDTLS_TEST_DRIVER_CIPHER_INIT { NULL, 0, PSA_SUCCESS, 0 }
 static inline mbedtls_test_driver_cipher_hooks_t
-     mbedtls_test_driver_cipher_hooks_init( void )
+mbedtls_test_driver_cipher_hooks_init(void)
 {
     const mbedtls_test_driver_cipher_hooks_t v = MBEDTLS_TEST_DRIVER_CIPHER_INIT;
-    return( v );
+    return v;
 }
 
 extern mbedtls_test_driver_cipher_hooks_t mbedtls_test_driver_cipher_hooks;
@@ -77,7 +77,7 @@
     psa_algorithm_t alg);
 
 psa_status_t mbedtls_test_transparent_cipher_abort(
-    mbedtls_transparent_test_driver_cipher_operation_t *operation );
+    mbedtls_transparent_test_driver_cipher_operation_t *operation);
 
 psa_status_t mbedtls_test_transparent_cipher_set_iv(
     mbedtls_transparent_test_driver_cipher_operation_t *operation,