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

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Fri Feb 21 18:45:11 2014 +0100| [c8f3c3a5794d9a426b48af401437f385b0cc9b94] | committer: Michael Niedermayer

Merge remote-tracking branch 'cehoyos/master'

* cehoyos/master:
  Do not warn about missing start time for unknown streams.
  Only complain about missing frame rate for video streams.

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c8f3c3a5794d9a426b48af401437f385b0cc9b94
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