Battlefield: Make sBattlefieldMgr a pointer. By Subv.

src/server/game/Entities/Object/Object.cpp

@@ -2329,9 +2329,17 @@ void WorldObject::SetZoneScript()
         if (map->IsDungeon())
             m_zoneScript = (ZoneScript*)((InstanceMap*)map)->GetInstanceScript();
         else if (!map->IsBattlegroundOrArena())
+        {
+            if (Battlefield* bf = sBattlefieldMgr->GetBattlefieldToZoneId(GetZoneId()))
             m_zoneScript = sOutdoorPvPMgr->GetZoneScript(GetZoneId());
     }
 }
+                m_zoneScript = bf;
+            else
+                m_zoneScript = sOutdoorPvPMgr->GetZoneScript(GetZoneId());
+        }
+    }
+}
 
 TempSummon* WorldObject::SummonCreature(uint32 entry, const Position &pos, TempSummonType spwtype, uint32 duration, uint32 /*vehId*/) const
 {