noob island guard aggro

src/engine/mobileAI/MobAI.java

@@ -975,6 +975,7 @@ public class MobAI {
     private static void hamletGuardAggro(Mob mob) {
             City guardedCity = mob.guardedCity;
             City atLocation = ZoneManager.getCityAtLocation(mob.loc);
+            Realm realm = RealmMap.getRealmAtLocation(mob.loc);
             HashSet<AbstractWorldObject> loadedPlayers = WorldGrid.getObjectsInRangePartial(mob.loc, MobAIThread.AI_BASE_AGGRO_RANGE, MBServerStatics.MASK_PLAYER);
             for (AbstractWorldObject awo : loadedPlayers) {
                 PlayerCharacter pc = (PlayerCharacter) awo;