[FFmpeg-cvslog] Fix compilation with --disable-swscale.

[Carl Eugen Hoyos]

Carl Eugen Hoyos <git <at> videolan.org> writes:

> ffmpeg | branch: master | Carl Eugen Hoyos | Sun Sep 18 18:57:35 2011 +0200|
> [c76861723bb13784e287046e1e80ce4cdb789136] | committer: Carl Eugen Hoyos
> 
> Fix compilation with --disable-swscale.

Broke compilation without --disable-swscale, sorry!

If it is still wrong, please revert...

Carl Eugen