File _link of Package drbd.openSUSE_Leap_15.1_Update

<link project="openSUSE:Leap:15.1:Update" package="drbd" rev="d1a6ca4b47cf4e452f8db4afa336d0b1" vrev="5.7" baserev="d1a6ca4b47cf4e452f8db4afa336d0b1">
  <patches>
    <branch></branch>
  </patches>
</link>