File _service of Package libao

<?xml version="1.0" ?>
<services>
  <service name="download_url">
    <param name="protocol">http</param>
    <param name="host">downloads.xiph.org</param>
    <param name="path">/releases/ao/libao-1.0.0.tar.gz</param>
  </service>
  <service name="verify_file">
    <param name="file">_service:download_url:libao-1.0.0.tar.gz</param>
    <param name="verifier">sha256</param>
    <param name="checksum">d0fe2c7e4afb8e45e8a3693fe9fde5402dbc2faecfb68a25e9c0cd711817b82a</param>
  </service>
  <service name="recompress">
    <param name="file">*.gz</param>
  </service>
  <service name="set_version"/>
</services>