* Fixed possible client crash when monster is class-changing to mob_avail'd one.

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@14754 54d463be-8e91-2dee-dedb-b68131a5f0ec

Changelog-Trunk.txt

@@ -1,5 +1,7 @@
 Date	Added
 
+2011/03/22
+	* Fixed possible client crash when monster is class-changing to mob_avail'd one. [Gepard]
 2011/03/20
 	* Random accumulated tweaks and fixes. [Ai4rei]
 	- Added a error message to npc_enable, to spot disablenpc/enablenpc/hideoffnpc/hideonnpc on non-existing NPCs (related r14750).

src/map/mob.c

@@ -2586,7 +2586,7 @@ int mob_class_change (struct mob_data *md, int class_)
 	mob_stop_walking(md, 0);
 	unit_skillcastcancel(&md->bl, 0);
 	status_set_viewdata(&md->bl, class_);
-	clif_mob_class_change(md,class_);
+	clif_mob_class_change(md,md->vd->class_);
 	status_calc_mob(md, 1);
 	md->ud.state.speed_changed = 1; //Speed change update.