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

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Sep  1 22:08:03 2011 +0200| [58677d73ed43020ea0840e633588e344396ee256] | committer: Michael Niedermayer

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  avconv: fix some bugs introduced in 630902a1e1336e7ee0cf3dcbcb6eb07af8edf660
  libmp3lame: fix typo
  AVOptions: drop av_ prefix from static av_get_number().
  libx264: use X264_THREADS_AUTO constant instead of 0.

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=58677d73ed43020ea0840e633588e344396ee256
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