File _link of Package virtualbox.openSUSE_Leap_15.5_Update

<link project="openSUSE:Leap:15.5:Update" package="virtualbox" rev="5ef1f2e94f356be3dc88a413bcbb19f5" vrev="2.20" baserev="5ef1f2e94f356be3dc88a413bcbb19f5">
  <patches>
    <branch></branch>
  </patches>
</link>