avformat/hashenc: add missing avio_flush to hash_write_trailer

It was accidentally deleted in the previous hashenc commit

Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/libavformat/hashenc.c b/libavformat/hashenc.c
index 01b00b5bb7..a66db4ae71 100644
--- a/libavformat/hashenc.c
+++ b/libavformat/hashenc.c
@@ -79,6 +79,7 @@ static int hash_write_trailer(struct AVFormatContext *s)
     av_hash_final_hex(c->hash, buf + strlen(buf), sizeof(buf) - strlen(buf));
     av_strlcatf(buf, sizeof(buf), "\n");
     avio_write(s->pb, buf, strlen(buf));
+    avio_flush(s->pb);
 
     av_hash_freep(&c->hash);
     return 0;