message: Fix oversight in moved function
diff: @@ -469,7 +469,7 @@ int pullTruckFromInventory()
  {
  int trucksAvailable = getTruckAvailability();
  - if (trucksAvailable == 0) { return; }
  + if (trucksAvailable == 0) { return 0; }
  auto& warehouseList = NAS2D::Utility<StructureManager>::get().structureList(Structure::StructureClass::Warehouse);
  for (auto warehouse : warehouseList)
  