File _link of Package json-c

<link project="openSUSE:Factory" rev="c3ebf7ece6c1a1822c2d408bc1a6f6c2" baserev="c3ebf7ece6c1a1822c2d408bc1a6f6c2" vrev="2.2.0">
  <patches>
    <branch />
  </patches>
</link>