File _link of Package virtualbox.openSUSE_13.1_Update

<link project="openSUSE:13.1:Update" package="virtualbox" rev="42761536c2c7ee2ed3c668eac092769b" baserev="42761536c2c7ee2ed3c668eac092769b">
  <patches>
    <branch></branch>
  </patches>
</link>