MDEV-13137 MySQL 5.6.23 Crashes when SET GLOBAL server_audit_logging=OFF;
MDEV-13137 MySQL 5.6.23 Crashes when SET GLOBAL server_audit_logging=OFF;

        The MySQL 5.6 doesn't always send the MYSQL_AUDIT_GENERAL_LOG
        notification. So we have to suppress the log_current_query()
        in this case.

natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2