File _link of Package perl-PDL

<link project="openSUSE:Leap:42.3:NonFree" rev="5f31bdf63d0f2efe1121a0520e8e343d" baserev="5f31bdf63d0f2efe1121a0520e8e343d">
  <patches>
    <branch/>
  </patches>
</link>