Added proper `mob_delete_timer` (dynamic mobs feature) cleanup on map-server shutdown (bugreport:2944).

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@15528 54d463be-8e91-2dee-dedb-b68131a5f0ec

src/map/map.c

@@ -3469,6 +3469,8 @@ void do_final(void)
 		if(map[i].block) aFree(map[i].block);
 		if(map[i].block_mob) aFree(map[i].block_mob);
 		if(battle_config.dynamic_mobs) { //Dynamic mobs flag by [random]
+			if(map[i].mob_delete_timer != INVALID_TIMER)
+				delete_timer(map[i].mob_delete_timer, map_removemobs_timer);
 			for (j=0; j<MAX_MOB_LIST_PER_MAP; j++)
 				if (map[i].moblist[j]) aFree(map[i].moblist[j]);
 		}