(svn r6146) -Fix: MSVC doesn't know how to cast to an union.. so fix it via an indirect (and btw the old) way

depot.c

@@ -79,11 +79,14 @@ Depot *AllocateDepot(void)
  */
 void DestroyDepot(Depot *depot)
 {
+	DestinationID dest;
+
 	/* Clear the tile */
 	DoClearSquare(depot->xy);
 
 	/* Clear the depot from all order-lists */
-	RemoveOrderFromAllVehicles(OT_GOTO_DEPOT, (DestinationID)depot->index);
+	dest.depot = depot->index;
+	RemoveOrderFromAllVehicles(OT_GOTO_DEPOT, dest);
 
 	/* Delete the depot-window */
 	DeleteWindowById(WC_VEHICLE_DEPOT, depot->xy);

station_cmd.c

@@ -2399,6 +2399,7 @@ static uint32 VehicleEnter_Station(Vehicle *v, TileIndex tile, int x, int y)
   */
 static void DeleteStation(Station *st)
 {
+	DestinationID dest;
 	StationID index;
 	Vehicle *v;
 	st->xy = 0;
@@ -2412,7 +2413,8 @@ static void DeleteStation(Station *st)
 	DeleteWindowById(WC_STATION_VIEW, index);
 
 	/* Now delete all orders that go to the station */
-	RemoveOrderFromAllVehicles(OT_GOTO_STATION, (DestinationID)index);
+	dest.station = index;
+	RemoveOrderFromAllVehicles(OT_GOTO_STATION, dest);
 
 	//And do the same with aircraft that have the station as a hangar-stop
 	FOR_ALL_VEHICLES(v) {

waypoint.c

@@ -88,6 +88,7 @@ static void RedrawWaypointSign(const Waypoint* wp)
 /* Update all signs */
 void UpdateAllWaypointSigns(void)
 {
+	DestinationID dest;
 	Waypoint *wp;
 
 	FOR_ALL_WAYPOINTS(wp) {
@@ -98,7 +99,8 @@ void UpdateAllWaypointSigns(void)
 /* Internal handler to delete a waypoint */
 void DestroyWaypoint(Waypoint *wp)
 {
-	RemoveOrderFromAllVehicles(OT_GOTO_WAYPOINT, (DestinationID)wp->index);
+	dest.waypoint = wp->index;
+	RemoveOrderFromAllVehicles(OT_GOTO_WAYPOINT, dest);
 
 	if (wp->string != STR_NULL) DeleteName(wp->string);