--- a/src/town_cmd.cpp	Thu May 24 21:59:12 2007 +0000
+++ b/src/town_cmd.cpp	Thu May 24 22:41:50 2007 +0000
@@ -563,7 +563,7 @@
 	td->owner = OWNER_TOWN;
 }
 
-static uint32 GetTileTrackStatus_Town(TileIndex tile, TransportType mode)
+static uint32 GetTileTrackStatus_Town(TileIndex tile, TransportType mode, uint sub_mode)
 {
 	/* not used */
 	return 0;