File _link of Package postgresql12.openSUSE_Leap_15.2_Update

<link project="openSUSE:Leap:15.2:Update" package="postgresql12" rev="8620bd65b3f3e0d012d1fdb76195681e" vrev="3.17" baserev="8620bd65b3f3e0d012d1fdb76195681e">
  <patches>
    <branch></branch>
  </patches>
</link>