--- a/src/landscape.cpp	Wed Jun 13 11:45:14 2007 +0000
+++ b/src/landscape.cpp	Wed Jun 13 12:05:56 2007 +0000
@@ -274,9 +274,9 @@
 	MarkTileDirtyByTile(tile);
 }
 
-uint32 GetTileTrackStatus(TileIndex tile, TransportType mode)
+uint32 GetTileTrackStatus(TileIndex tile, TransportType mode, uint sub_mode)
 {
-	return _tile_type_procs[GetTileType(tile)]->get_tile_track_status_proc(tile, mode);
+	return _tile_type_procs[GetTileType(tile)]->get_tile_track_status_proc(tile, mode, sub_mode);
 }
 
 void ChangeTileOwner(TileIndex tile, PlayerID old_player, PlayerID new_player)