[MPlayer-dev-eng] Man page update

[Diego Biurrun]

Alban Bedel writes:
 > 
 > A little man page patch for our dear doc maintainers. It add very
 > short descriptions for all new options relative to the dxr2, cdda
 > and the raw audio demuxer.

Could you update that patch, please?  Gabucino checked in a modified
version of the cdda part, but not the rest.  I assume that your patch
is still correct.
Thanks

Diego