Correct "BSD" licenses in audio category


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373990 35697150-7ecd-e111-bb59-0022644237b5
Update License


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373991 35697150-7ecd-e111-bb59-0022644237b5