newbb online upate error

clean xoops online error: DELETE FROM xdc1_bb_online WHERE ( online_uid > 0 AND online_uid NOT IN ( SELECT online_uid FROM xdc1_online WHERE online_module =37 ) ) OR ( online_uid = 0 AND online_ip NOT IN ( SELECT online_ip FROM xdc1_online WHERE online_module =37 AND online_uid = 0 ) )