File _link of Package proftpd.openSUSE_Leap_15.1_Update

<link project="openSUSE:Leap:15.1:Update" package="proftpd" rev="162627530c99c8487d397d7270f5454d" vrev="3.7" baserev="162627530c99c8487d397d7270f5454d">
  <patches>
    <branch></branch>
  </patches>
</link>