Fix typo issues

Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 88ccb27..09b1dfc 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -1204,8 +1204,7 @@
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
     mbedtls_ssl_tls13_application_secrets MBEDTLS_PRIVATE(app_secrets);
-
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
+#endif
 };
 
 /*