[FFmpeg-cvslog] Merge commit '9c7d85b3b45a77742b1e69c48ab33f9c8a2e6f35'

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Tue Mar  5 12:23:38 2013 +0100| [1cb3ca2a67fefa097de12fa163a0be42018592af] | committer: Michael Niedermayer

Merge commit '9c7d85b3b45a77742b1e69c48ab33f9c8a2e6f35'

* commit '9c7d85b3b45a77742b1e69c48ab33f9c8a2e6f35':
  configure: Add check_builtin convenience function

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1cb3ca2a67fefa097de12fa163a0be42018592af
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