Make avfilter_graph_free() do nothing if graph is NULL.
authorstefano <stefano@9553f0bf-9b14-0410-a0b8-cfaf0461ba5b>
Wed, 12 Jan 2011 21:23:16 +0000 (21:23 +0000)
committerstefano <stefano@9553f0bf-9b14-0410-a0b8-cfaf0461ba5b>
Wed, 12 Jan 2011 21:23:16 +0000 (21:23 +0000)
commitffad11bc277096f6703968bca77521a5734a4199
tree9f268410ed82cc683a287b0cd141d4d8343ce9c6
parentec4160764250ce1589aeb2a016a57751e69d54a1
Make avfilter_graph_free() do nothing if graph is NULL.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@26323 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
libavfilter/avfilter.h
libavfilter/avfiltergraph.c
libavfilter/avfiltergraph.h