[FFmpeg-cvslog] Merge commit 'f868b24d0f280bb966e5c352028a343e45d20a02'

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Tue Mar  5 12:17:10 2013 +0100| [890b9c5c466cd4026a5b0388f5ac1e89ce1c69dc] | committer: Michael Niedermayer

Merge commit 'f868b24d0f280bb966e5c352028a343e45d20a02'

* commit 'f868b24d0f280bb966e5c352028a343e45d20a02':
  configure: Add sanitize_var_name convenience function

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=890b9c5c466cd4026a5b0388f5ac1e89ce1c69dc
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