(svn r23111) -Fix: Keep subtype when automatically choosing the cargo for auto-refitting.

src/economy.cpp

@@ -1300,6 +1300,7 @@ static void LoadUnloadVehicle(Vehicle *front, int *cargo_left)
 					if (cargo_left[cid] > amount) {
 						/* Try to find out if auto-refitting would succeed. In case the refit is allowed,
 						 * the returned refit capacity will be greater than zero. */
+						new_subtype = GetBestFittingSubType(v, v, cid);
 						DoCommand(v->tile, v->index, cid | 1U << 6 | new_subtype << 8 | 1U << 16, DC_QUERY_COST, GetCmdRefitVeh(v)); // Auto-refit and only this vehicle including artic parts.
 						if (_returned_refit_capacity > 0) {
 							amount = cargo_left[cid];