--- a/src/dummy_land.cpp	Tue Mar 27 23:27:27 2007 +0000
+++ b/src/dummy_land.cpp	Sat Jun 02 19:59:29 2007 +0000
@@ -63,7 +63,7 @@
 	/* not used */
 }
 
-static uint32 GetTileTrackStatus_Dummy(TileIndex tile, TransportType mode)
+static uint32 GetTileTrackStatus_Dummy(TileIndex tile, TransportType mode, uint sub_mode)
 {
 	return 0;
 }