Fixed bugreport:6343 Issue #1: homunculus skill tree is now refreshed upon class change.

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@16658 54d463be-8e91-2dee-dedb-b68131a5f0ec

src/map/homunculus.c

@@ -183,6 +183,8 @@ int merc_hom_calc_skilltree(struct homun_data *hd)
 		if (f)
 			hd->homunculus.hskill[id-HM_SKILLBASE].id = id ;
 	}
+	if( hd->master )
+		clif_homskillinfoblock(hd->master);
 	return 0;
 }