[FFmpeg-cvslog] Fix leak of frame_duration_buffer in mov_fix_index().

[Dale Curtis]

ffmpeg | branch: release/3.4 | Dale Curtis <dalecurtis at chromium.org> | Fri Nov 17 14:53:25 2017 -0800| [9a00ce0ff8643111711b932443255f365a26ee98] | committer: Michael Niedermayer

Fix leak of frame_duration_buffer in mov_fix_index().

Should be unconditionally freed at the end of mov_fix_index() in
case it hasn't been used during the fix up.

Signed-off-by: Dale Curtis <dalecurtis at chromium.org>
Reviewed-by: Sasi Inguva <isasi-at-google.com at ffmpeg.org>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit d073be2291e40129d107ca4573097d6d6d2dbf68)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9a00ce0ff8643111711b932443255f365a26ee98
---

 libavformat/mov.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 5acac07d22..57cef83bba 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -3329,6 +3329,7 @@ static void mov_fix_index(MOVContext *mov, AVStream *st)
     // Free the old index and the old CTTS structures
     av_free(e_old);
     av_free(ctts_data_old);
+    av_freep(&frame_duration_buffer);
 
     // Null terminate the index ranges array
     current_index_range++;