xmms liboss support

[Francois Briere <f_(_dot_)_briere_(_at_)_dopha_(_dot_)_org>]

Hello,

For those who doesn't like libsun (hahaha)
or the slowness effect in the analyzer/scope..

Here a diff to add the support of liboss:

http://www.dopha.org:8080/openbsd/diff/xmms-oss.diff

bye
francois