[FFmpeg-cvslog] configure: select buffersink_filter when ffplay is enabled

[Stefano Sabatini]

On date Saturday 2011-06-25 22:14:18 +0200, Stefano Sabatini wrote:
> ffmpeg | branch: master | Stefano Sabatini <stefano.sabatini-lala at poste.it> | Sat Jun 25 21:49:45 2011 +0200| [d7686b3e0f590e793cd0b2986015019023dc22c2] | committer: Stefano Sabatini
> 
> configure: select buffersink_filter when ffplay is enabled
> 
> buffersink_filter is a strong requirement for compiling ffplay.
> Fixes ffplay compilation with --disable-everything --disable-ffmpeg.

Candidate for 0.7/.8 backporting (@Michael: I can push them myself if
you prefer).
-- 
One has to look out for engineers -- they begin with sewing machines
and end up with the atomic bomb.
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