File _link of Package virtualbox.openSUSE_Leap_15.4_Update

<link project="openSUSE:Leap:15.4:Update" package="virtualbox" rev="598b99141ce0d8c105129fc8abbb39ae" vrev="2.11" baserev="598b99141ce0d8c105129fc8abbb39ae">
  <patches>
    <branch></branch>
  </patches>
</link>