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

unknown f551f0d110 This commit was manufactured by cvs2svn to create branch %!s(int64=21) %!d(string=hai) anos
lib f551f0d110 This commit was manufactured by cvs2svn to create branch %!s(int64=21) %!d(string=hai) anos
configure.in d59cea578a %!s(int64=23) %!d(string=hai) anos
libvorbis.spec a486024b7b updated version to 1.0rc1 in preparation for release %!s(int64=23) %!d(string=hai) anos