[FFmpeg-cvslog] avdevice/internal: add av_warn_unused_result

[Ganesh Ajjanagadde]

ffmpeg | branch: master | Ganesh Ajjanagadde <gajjanagadde at gmail.com> | Thu Oct 15 21:49:30 2015 -0400| [6d0c8cb79ac0977099e1f6afb28465bd587c5706] | committer: Ganesh Ajjanagadde

avdevice/internal: add av_warn_unused_result

This does not trigger any warnings but adds robustness.

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=6d0c8cb79ac0977099e1f6afb28465bd587c5706
---

 libavdevice/internal.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/libavdevice/internal.h b/libavdevice/internal.h
index 3cd1b06..e222cf2 100644
--- a/libavdevice/internal.h
+++ b/libavdevice/internal.h
@@ -21,6 +21,7 @@
 
 #include "libavformat/avformat.h"
 
+av_warn_unused_result
 int ff_alloc_input_device_context(struct AVFormatContext **avctx, struct AVInputFormat *iformat,
                                   const char *format);