Core/Game: Fix remaining warnings on windows (and most likely almost all of the ones on *nix)

--HG--
branch : trunk

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

@@ -1988,7 +1988,7 @@ Pet* Player::SummonPet(uint32 entry, float x, float y, float z, float ang, PetTy
             pet->SetUInt32Value(UNIT_FIELD_PETNEXTLEVELEXP, 1000);
             pet->SetFullHealth();
             pet->SetPower(POWER_MANA, pet->GetMaxPower(POWER_MANA));
-            pet->SetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP, time(NULL));
+            pet->SetUInt32Value(UNIT_FIELD_PET_NAME_TIMESTAMP, uint32(time(NULL))); // cast can't be helped in this case
             break;
         default:
             break;