Format preprocessor conditionals

Signed-off-by: Agathiyan Bragadeesh <agathiyan.bragadeesh2@arm.com>
diff --git a/library/x509.c b/library/x509.c
index 8145fb8..85aaf06 100644
--- a/library/x509.c
+++ b/library/x509.c
@@ -871,7 +871,7 @@
         MBEDTLS_X509_SAFE_SNPRINTF;
 
         if (print_hexstring) {
-            #if defined(MBEDTLS_ASN1_WRITE_C)
+#if defined(MBEDTLS_ASN1_WRITE_C)
             s[0] = '#';
 
             c = name->val.tag;
@@ -897,9 +897,9 @@
                 s[j++] = nibble_to_hex_digit(highbits);
                 s[j] = nibble_to_hex_digit(lowbits);
             }
-            #else
+#else
             return MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE;
-            #endif
+#endif
         } else {
             for (i = 0, j = 0; i < name->val.len; i++, j++) {
                 if (j >= sizeof(s) - 1) {