File _link of Package postfix.openSUSE_Leap_15.0_Update

<link project="openSUSE:Leap:15.0:Update" package="postfix" rev="a740e255f1b9477922c0e222e0b6459e" vrev="7" baserev="a740e255f1b9477922c0e222e0b6459e">
  <patches>
    <branch></branch>
  </patches>
</link>