avformat/rtsp: Fix unchecked return value

Reviewed-by: Thomas Volkert <silvo@gmx.net>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Himangi Saraogi 2015-04-10 00:04:01 +05:30 committed by Michael Niedermayer
parent 5d0f836f62
commit aae9f52c4e