File _link of Package akonadi-calendar.openSUSE_Backports_SLE-12-SP3

<link project="openSUSE:Backports:SLE-12-SP3" package="akonadi-calendar" baserev="d41d8cd98f00b204e9800998ecf8427e" missingok="true">
  <patches>
    <branch/>
  </patches>
</link>