[FFmpeg-cvslog] Merge commit '4f56e773fe8a554b8c2662650aaf799c2ece2721'

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Tue Jan 22 14:27:48 2013 +0100| [73b59cc1bad802612d04c112844aab49953ede64] | committer: Michael Niedermayer

Merge commit '4f56e773fe8a554b8c2662650aaf799c2ece2721'

* commit '4f56e773fe8a554b8c2662650aaf799c2ece2721':
  x86: ac3: Fix HAVE_MMXEXT condition to only refer to external assembly
  rtpenc: Start the sequence numbers from a random offset

Conflicts:
	libavformat/version.h

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=73b59cc1bad802612d04c112844aab49953ede64
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