[FFmpeg-cvslog] Merge remote-tracking branch 'qatar/release/0.7' into release/0.8

[Michael Niedermayer]

ffmpeg | branch: release/0.8 | Michael Niedermayer <michaelni at gmx.at> | Thu Feb 14 14:12:14 2013 +0100| [acada70ffbd729516495ee683f70abad124f93d5] | committer: Michael Niedermayer

Merge remote-tracking branch 'qatar/release/0.7' into release/0.8

* qatar/release/0.7:
  Update changelog for 0.7.7 release
  mpeg12: do not decode extradata more than once.
  indeo4/5: check empty tile size in decode_mb_info().
  dfa: improve boundary checks in decode_dds1()
  indeo5dec: Make sure we have had a valid gop header.
  rv34: error out on size changes with frame threading

Conflicts:
	Changelog

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=acada70ffbd729516495ee683f70abad124f93d5
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