[FFmpeg-cvslog] avutil/cast5: update Doxygen for av_cast5_init with return information

[Ganesh Ajjanagadde]

ffmpeg | branch: master | Ganesh Ajjanagadde <gajjanagadde at gmail.com> | Thu Oct 15 17:43:25 2015 -0400| [0418541d5d3f4eada6ce6f250f159ce569f180bc] | committer: Ganesh Ajjanagadde

avutil/cast5: update Doxygen for av_cast5_init with return information

Reviewed-by: Michael Niedermayer <michael at niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0418541d5d3f4eada6ce6f250f159ce569f180bc
---

 libavutil/cast5.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/libavutil/cast5.h b/libavutil/cast5.h
index e5cc8b1..ad5b347 100644
--- a/libavutil/cast5.h
+++ b/libavutil/cast5.h
@@ -48,6 +48,7 @@ struct AVCAST5 *av_cast5_alloc(void);
   * @param ctx an AVCAST5 context
   * @param key a key of 5,6,...16 bytes used for encryption/decryption
   * @param key_bits number of keybits: possible are 40,48,...,128
+  * @return 0 on success, less than 0 on failure
  */
 int av_cast5_init(struct AVCAST5 *ctx, const uint8_t *key, int key_bits);