File _patchinfo of Package patchinfo.17893

<patchinfo incident="17893">
  <issue tracker="bnc" id="1180276">corosync builds vary from groff</issue>
  <packager>bmwiedemann</packager>
  <rating>moderate</rating>
  <category>recommended</category>
  <summary>Recommended update for groff</summary>
  <description>This update for groff fixes the following issues:

- include adjustments for reproducible builds (bsc#1180276)
</description>
</patchinfo>