Take damage & Summon packets

Fixed some oddities with other player clients when dealing with summons
(spawning, taking damage or attacking). Fixed damage dealt to player not
apearing if the player is a GM on hiding and other players in the area
are GMs as well.

src/net/server/channel/handlers/UseItemHandler.java

@@ -75,7 +75,7 @@ public final class UseItemHandler extends AbstractMaplePacketHandler {
             remove(c, slot);
             
             ii.getItemEffect(toUse.getItemId()).applyTo(c.getPlayer());
-            c.getPlayer().checkBerserk();
+            c.getPlayer().checkBerserk(c.getPlayer().isHidden());
         }
     }