File _patchinfo of Package patchinfo

<patchinfo incident="11793">
  <packager>mwilck</packager>
  <rating>moderate</rating>
  <category>recommended</category>
  <summary>Recommended update for DisplayCAL</summary>
  <description>This update for DisplayCAL fixes the following issues:

- Added dependency on python-xml. Without it, DisplayCAL won't start.
</description>
</patchinfo>