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, 1 insertions, 1 deletions

diff --git a/libavformat/rmenc.c b/libavformat/rmenc.c
index 63202b1221..ed1ba7c75b 100644
--- a/libavformat/rmenc.c
+++ b/libavformat/rmenc.c
@@ -455,7 +455,7 @@ static int rm_write_trailer(AVFormatContext *s)
         avio_wb32(pb, 0);
         avio_wb32(pb, 0);
     }
-    avio_flush(pb);
+
     return 0;
 }