Add group info patch

Fix whitespace, add NOSAVE comment in vehicle struct

http://www.tt-forums.net/viewtopic.php?f=33&t=72855

src/vehicle.cpp

@@ -2104,6 +2104,7 @@ void Vehicle::LeaveStation()
 	st->loading_vehicles.remove(this);
 
 	HideFillingPercent(&this->fill_percent_te_id);
+	trip_occupancy = CalcPercentVehicleFilled(this, NULL);
 
 	if (this->type == VEH_TRAIN && !(this->vehstatus & VS_CRASHED)) {
 		/* Trigger station animation (trains only) */