(svn r22329) -Change: When the current orders are interrupted for non-ordered service, disable modifications to automatic orders until the next real order is completed. (train part already slipped by in r22328)

src/roadveh_cmd.cpp

@@ -1580,6 +1580,7 @@ static void CheckIfRoadVehNeedsService(RoadVehicle *v)
 		return;
 	}
 
+	SetBit(v->gv_flags, GVF_SUPPRESS_AUTOMATIC_ORDERS);
 	v->current_order.MakeGoToDepot(depot, ODTFB_SERVICE);
 	v->dest_tile = rfdd.tile;
 	SetWindowWidgetDirty(WC_VEHICLE_VIEW, v->index, VVW_WIDGET_START_STOP_VEH);