[FFmpeg-cvslog] Merge remote-tracking branch 'cigaes/master'

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat Apr 13 20:38:26 2013 +0200| [38e66af43b06aa6f1f5ca3722aa154c67cd287d1] | committer: Michael Niedermayer

Merge remote-tracking branch 'cigaes/master'

* cigaes/master:
  lavu/opt: check int lists length for overflow.
  lavu: add parens to macro argument.
  lavu: add av_pure to av_int_list_length_for_size.
  lavfi/buffersink: factor checks for lists sizes.

Merged-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=38e66af43b06aa6f1f5ca3722aa154c67cd287d1
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