From 64f4fb75c4cea6b33b5fd5b135c19950df9a7154 Mon Sep 17 00:00:00 2001
From: Don Moir <donmoir@comcast.net>
Date: Thu, 27 Dec 2012 18:06:49 +0000
Subject: [PATCH] gifdec: fix transparent background color

Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
 libavcodec/gifdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/gifdec.c b/libavcodec/gifdec.c
index 4f44fd4d53..a0ffe77183 100644
--- a/libavcodec/gifdec.c
+++ b/libavcodec/gifdec.c
@@ -202,7 +202,7 @@ static int gif_read_image(GifState *s)
         s->gce_w = width; s->gce_h = height;
 
         if (s->gce_disposal == GCE_DISPOSAL_BACKGROUND) {
-            if (s->background_color_index == s->transparent_color_index)
+            if (s->background_color_index >= 0)
                 s->stored_bg_color = s->trans_color;
             else
                 s->stored_bg_color = s->bg_color;