File _link of Package zlib.openSUSE_Leap_15.1_Update

<link project="openSUSE:Leap:15.1:Update" package="zlib" rev="81e7733065402ac6a1d152611e600f69" vrev="5.7" baserev="81e7733065402ac6a1d152611e600f69">
  <patches>
    <branch></branch>
  </patches>
</link>