File _link of Package virtualbox.openSUSE_13.1_Update

<link project="openSUSE:13.1:Update" package="virtualbox" rev="66eb7639d4c1236c39718959cdc8d287" vrev="2.61" baserev="66eb7639d4c1236c39718959cdc8d287">
  <patches>
    <branch></branch>
  </patches>
</link>