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

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Sep 14 21:57:24 2011 +0200| [3ee83f46058449913abeca7ba82e8e2909828209] | committer: Michael Niedermayer

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  lavf utils: Remove write-only variable
  lavf utils: Rename shadowing variable
  smacker: fix a few off by 1 errors
  Check for invalid VLC value in smacker decoder.
  Check and propagate errors when VLC trees cannot be built in smacker decoder.

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3ee83f46058449913abeca7ba82e8e2909828209
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