lavf: flush the output AVIOContext in av_write_trailer().

This is consistent with stdio and is what we want to do in all cases.

Fixes a bug in the voc muxer which didn't flush in write_trailer()
previously. This is the cause of the change in the test results.

1 files changed, 0 insertions, 1 deletions

diff --git a/libavformat/smjpegenc.c b/libavformat/smjpegenc.c
index 86b6afaa16..59ede7a266 100644
--- a/libavformat/smjpegenc.c
+++ b/libavformat/smjpegenc.c
@@ -130,7 +130,6 @@ static int smjpeg_write_trailer(AVFormatContext *s)
     }
 
     avio_wl32(pb, SMJPEG_DONE);
-    avio_flush(pb);
 
     return 0;
 }