From 49b7b1e0eb25174a54e7687d09cb298a18af15da Mon Sep 17 00:00:00 2001
From: matthijs <matthijs@openttd.org>
Date: Tue, 15 Aug 2006 11:06:32 +0000
Subject: [PATCH] (svn r5911) -Fix [FS#215]: Discard upper bits of
 TrackdirBitsToTrackBits result.

---
 rail.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rail.h b/rail.h
index b3ce187987..ae24ea89b1 100644
--- a/rail.h
+++ b/rail.h
@@ -296,7 +296,7 @@ static inline TrackdirBits TrackToTrackdirBits(Track track)
  */
 static inline TrackBits TrackdirBitsToTrackBits(TrackdirBits bits)
 {
-	return (TrackBits)(bits | (bits >> 8));
+	return (TrackBits)((bits | (bits >> 8)) & TRACK_BIT_MASK);
 }
 
 /**