File _link of Package virtualbox.openSUSE_Leap_15.3_Update

<link project="openSUSE:Leap:15.3:Update" package="virtualbox" rev="e0b45d82154148bde3816b3cf8c60155" vrev="2.28" baserev="e0b45d82154148bde3816b3cf8c60155">
  <patches>
    <branch></branch>
  </patches>
</link>