[FFmpeg-cvslog] Merge remote-tracking branch 'qatar/release/0.5' into release/0.5

[Michael Niedermayer]

ffmpeg | branch: release/0.5 | Michael Niedermayer <michaelni at gmx.at> | Sun Nov  6 01:34:54 2011 +0100| [10da0edddcc0b84ab9898a410969c457cd8ce528] | committer: Michael Niedermayer

Merge remote-tracking branch 'qatar/release/0.5' into release/0.5

* qatar/release/0.5:
  update version
  Release notes and changelog for 0.5.5
  Fix ff_imdct_calc_sse() on gcc-4.6
  Make DECLARE_ALIGNED macros work with external array specifiers
  Fix MMX rgb24 to yuv conversion with gcc 4.6

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=10da0edddcc0b84ab9898a410969c457cd8ce528
---