FIX Pre 5.7 Build

Author: silvakid

driver/mysql_connection_options.h

@@ -54,11 +54,9 @@ enum MySQL_Connection_Options
   MYSQL_ENABLE_CLEARTEXT_PLUGIN,
   MYSQL_OPT_CAN_HANDLE_EXPIRED_PASSWORDS,
   MYSQL_OPT_SSL_ENFORCE,
-#if LIBMYSQL_VERSION_ID > 50700
   MYSQL_OPT_MAX_ALLOWED_PACKET, MYSQL_OPT_NET_BUFFER_LENGTH,
   MYSQL_OPT_TLS_VERSION,
   MYSQL_OPT_SSL_MODE
-#endif //LIBMYSQL_VERSION_ID > 50700
 };
 
 }