--- a/src/landscape.h	Fri Aug 03 19:16:36 2007 +0000
+++ b/src/landscape.h	Fri Aug 03 22:09:42 2007 +0000
@@ -39,7 +39,8 @@
 	return RemapCoords(x, y, GetSlopeZ(x, y));
 }
 
-void DrawFoundation(TileInfo *ti, uint f);
+uint ApplyFoundationToSlope(Foundation f, Slope *s);
+void DrawFoundation(TileInfo *ti, Foundation f);
 
 void DoClearSquare(TileIndex tile);
 void RunTileLoop();