File _link of Package virtualbox.openSUSE_Leap_42.3_Update

<link project="openSUSE:Leap:42.3:Update" package="virtualbox" rev="d36b4e5fb3b32c5d656ac54a2385d3bb" vrev="23" baserev="d36b4e5fb3b32c5d656ac54a2385d3bb">
  <patches>
    <branch></branch>
  </patches>
</link>