*Add some debug info to trac reason of assertion fail in Unit destructor.

--HG--
branch : trunk

src/game/PoolHandler.cpp

@@ -255,6 +255,7 @@ bool PoolGroup<Creature>::Spawn1Object(uint32 guid)
             //sLog.outDebug("Spawning creature %u",guid);
             if (!pCreature->LoadFromDB(guid, map))
             {
+                pCreature->CleanupsBeforeDelete();
                 delete pCreature;
                 return false;
             }