--- a/road_cmd.c Wed Oct 19 08:34:37 2005 +0000 +++ b/road_cmd.c Wed Oct 19 14:49:46 2005 +0000 @@ -932,7 +932,7 @@ } } -static uint GetSlopeZ_Road(TileInfo *ti) +static uint GetSlopeZ_Road(const TileInfo* ti) { uint z = ti->z; int th = ti->tileh;