Fixed bugreport:6090 Mercenary Skills are no longer broken after a @reloadmobdb

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@16333 54d463be-8e91-2dee-dedb-b68131a5f0ec

src/map/atcommand.c

@@ -3830,6 +3830,7 @@ ACMD_FUNC(reloadmobdb)
 	read_petdb();
 	merc_reload();
 	read_mercenarydb();
+	read_mercenary_skilldb();
 	reload_elementaldb();
 	clif_displaymessage(fd, msg_txt(98)); // Monster database has been reloaded.