guards will aggro siege equipment not belonging to the guild

src/engine/objects/Building.java

@@ -541,8 +541,11 @@ public class Building extends AbstractWorldObject {
         if(playerCity != null){
             if(this.getGuild().getNation().equals(playerCity.getTOL().getGuild().getNation())){
                 //friendly building has been attacked, add attacker to city outlaw list
-                if(!playerCity.cityOutlaws.contains(attacker.getObjectUUID()))
+                if(!playerCity.cityOutlaws.contains(attacker.getObjectUUID()) && attacker.getObjectType().equals(GameObjectType.PlayerCharacter))
                     playerCity.cityOutlaws.add(attacker.getObjectUUID());
+                    for(Mob guard : playerCity.getParent().zoneMobSet)
+                        if(guard.combatTarget == null)
+                            guard.setCombatTarget(attacker);
             }
         }