*Fix a crash caused by pet.

*Make pet class derived from guardian class.

--HG--
branch : trunk

src/game/MovementHandler.cpp

@@ -159,7 +159,7 @@ void WorldSession::HandleMoveWorldportAckOpcode()
     // resummon pet
     if(GetPlayer()->m_temporaryUnsummonedPetNumber)
     {
-        Pet* NewPet = new Pet;
+        Pet* NewPet = new Pet(GetPlayer());
         if(!NewPet->LoadPetFromDB(GetPlayer(), 0, GetPlayer()->m_temporaryUnsummonedPetNumber, true))
             delete NewPet;