File _link of Package virtualbox.openSUSE_Leap_42.3_Update

<link project="openSUSE:Leap:42.3:Update" package="virtualbox" rev="a304bffac08c5eadc62d02624e6e3260" vrev="57" baserev="a304bffac08c5eadc62d02624e6e3260">
  <patches>
    <branch></branch>
  </patches>
</link>