Fixed bugreport:5804 Instances no longer leave "broken" timers behind. Instances also will destroy themselves upon @reloadscript since they break at that.

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@16183 54d463be-8e91-2dee-dedb-b68131a5f0ec

src/map/instance.c

@@ -323,6 +323,9 @@ void instance_del_map(int m)
 
 	map_removemapdb(&map[m]);
 	memset(&map[m], 0x00, sizeof(map[0]));
+	
+	/* for it is default and makes it not try to delete a non-existent timer since we did not delete this entry. */
+	map[m].mob_delete_timer = INVALID_TIMER;
 }
 
 /*--------------------------------------

src/map/npc.c

@@ -3508,6 +3508,8 @@ int npc_reload(void) {
 		"\t-'"CL_WHITE"%d"CL_RESET"' Mobs Not Cached\n",
 		npc_id - npc_new_min, npc_warp, npc_shop, npc_script, npc_mob, npc_cache_mob, npc_delay_mob);
 
+	do_final_instance();
+	
 	for( i = 0; i < ARRAYLENGTH(instance); ++i )
 		instance_init(instance[i].instance_id);