File _link of Package btrfsmaintenance

<link project="openSUSE:Factory" rev="3f1caa2abda53fc0ace0c0e7b28e6347" baserev="3f1caa2abda53fc0ace0c0e7b28e6347" vrev="1.0.0">
  <patches>
    <branch />
  </patches>
</link>