[FFmpeg-cvslog] avcodec: fix uninitialized variable read

[wm4]

ffmpeg | branch: master | wm4 <nfxjfg at googlemail.com> | Tue Mar  7 09:56:42 2017 +0100| [b4b8ca24f62473528949fe047085eb084364124b] | committer: wm4

avcodec: fix uninitialized variable read

This cna happen if the user tries to call the new decode API for
subtitles.

Fixes CID 1402071.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b4b8ca24f62473528949fe047085eb084364124b
---

 libavcodec/utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index d41ea57..6f7b2e7 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -2787,7 +2787,7 @@ void avsubtitle_free(AVSubtitle *sub)
 
 static int do_decode(AVCodecContext *avctx, AVPacket *pkt)
 {
-    int got_frame;
+    int got_frame = 0;
     int ret;
 
     av_assert0(!avctx->internal->buffer_frame->buf[0]);