audio/sox update

[Ryan Schmidt]

On Jan 24, 2012, at 09:17, Arno Hautala wrote:

> I think dropping the default dependency on ffmpeg isn't the right
> thing to do here. You can already drop the xorg world by modifying the
> variants of ffmpeg deps, so at most I'd think you'd want to add a
> variant that removes the ffmpeg dep (+no_ffmpeg).
> 
> To save some hassle in managing things on the user end, you can add
> "+no_x11" to your ${prefix}/etc/macports/variants.conf

We no longer want to use variants whose names begin with "no_".

http://trac.macports.org/wiki/PortfileRecipes#default_variants