audio clean up (initial patch by malc)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1132 c046a42c-6fe2-441c-8c8c-71466251a162
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1131 c046a42c-6fe2-441c-8c8c-71466251a162
audio merge (malc)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1125 c046a42c-6fe2-441c-8c8c-71466251a162