[FFmpeg-cvslog] Fix possible double free when encoding using xvid.

[Carl Eugen Hoyos]

ffmpeg | branch: release/0.7 | Carl Eugen Hoyos <cehoyos at ag.or.at> | Fri Jul  1 02:38:28 2011 +0200| [376dfd07abf8a5f493146d818bfb04807dc8bd5a] | committer: Carl Eugen Hoyos

Fix possible double free when encoding using xvid.
(cherry picked from commit 315f0e3fd8dcbd1362276b7407dad2e97cccc4b7)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=376dfd07abf8a5f493146d818bfb04807dc8bd5a
---

 libavcodec/libxvidff.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/libavcodec/libxvidff.c b/libavcodec/libxvidff.c
index 9b5c17c..effd2db 100644
--- a/libavcodec/libxvidff.c
+++ b/libavcodec/libxvidff.c
@@ -528,6 +528,7 @@ static av_cold int xvid_encode_close(AVCodecContext *avctx) {
     if( x->twopassbuffer != NULL ) {
         av_free(x->twopassbuffer);
         av_free(x->old_twopassbuffer);
+        avctx->stats_out = NULL;
     }
     av_free(x->twopassfile);
     av_free(x->intra_matrix);