File _link of Package virtualbox.openSUSE_Leap_15.3_Update

<link project="openSUSE:Leap:15.3:Update" package="virtualbox" rev="c78c12941b0559cef2bd430fd7139d5c" vrev="2.7" baserev="c78c12941b0559cef2bd430fd7139d5c">
  <patches>
    <branch></branch>
  </patches>
</link>