File _link of Package libnettle.openSUSE_Leap_15.0_Update

<link project="openSUSE:Leap:15.0:Update" package="libnettle" rev="d036be37c0df38a4c12f2f2ce3180b5a" vrev="6" baserev="d036be37c0df38a4c12f2f2ce3180b5a">
  <patches>
    <branch></branch>
  </patches>
</link>