[Vorbis] libao-0.8.6 release

[Ralph Giles]

I've made a new source release of libao. This includes the polypaudio 
driver contributed by Lennart Poettering.

  http://downloads.xiph.org/releases/ao/libao-0.8.6.tar.gz
  http://downloads.xiph.org/releases/ao/libao-0.8.6.zip

SHA1 checksums:

    2050e008ffcfd6803e2c2c03c7d5f469b6d8379e  libao-0.8.6.tar.gz
    872ed527a4db012f315ce56e4b27a69e5b191a9f  libao-0.8.6.zip

MD5 checksums:

    12e136a4c0995068ff134997c84421ed  libao-0.8.6.tar.gz
    8ebc8207b8fb9934e8efce13b9855c24  libao-0.8.6.zip

Happy packaging,
 -r