Free audio codec. https://xiph.org/vorbis/

unknown f551f0d110 This commit was manufactured by cvs2svn to create branch 21 éve
lib f551f0d110 This commit was manufactured by cvs2svn to create branch 21 éve
configure.in d59cea578a 23 éve
libvorbis.spec a486024b7b updated version to 1.0rc1 in preparation for release 23 éve