File _patchinfo of Package patchinfo.1788

<patchinfo>
  <packager>psmt</packager>
  <category>recommended</category>
  <rating>moderate</rating>
  <summary>logwatch: understand newer rsyslog-timestamps</summary>
  <description>This udpate fixes the following issue with logwatch:
- bnc#818842: Parse rsyslog-timestamps</description>
  <issue tracker="bnc" id="818842">Logwatch doesn't report details from /var/log/messages</issue>
</patchinfo>