*Fix abolish poison. (Set caster be taget when range = 0 and target type = single target)

--HG--
branch : trunk

src/game/Pet.cpp

@@ -484,7 +484,6 @@ void Pet::SavePetToDB(PetSaveMode mode)
         case PET_SAVE_AS_DELETED:
         {
             RemoveAllAuras();
-            uint32 owner = GUID_LOPART(GetOwnerGUID());
             DeleteFromDB(m_charmInfo->GetPetNumber());
             break;
         }