Siege Guards attack summons fix.

L2_GameServer/java/net/sf/l2j/gameserver/model/actor/instance/L2SiegeGuardInstance.java

@@ -85,6 +85,7 @@ public class L2SiegeGuardInstance extends L2Attackable
     @Override
 	public boolean isAutoAttackable(L2Character attacker)
 	{
+    	attacker = attacker.getActingPlayer();
     	if (!(attacker instanceof L2PcInstance) )
     		return false;