File _patchinfo of Package patchinfo.220

<patchinfo incident="220">
  <issue tracker="bnc" id="1038034" />
  <category>recommended</category>
  <rating>moderate</rating>
  <packager>wrosenauer</packager>
  <description>This update to enigmail 1.9.7 fixes the following issues:

- compatibility bug on Thunderbird 52 that makes keyserver up/downloads unusable
- Better detection is decrypted message is displayed
- New variant of PGP/MIME messages broken by MS-Exchange
- Make key importing more robust
</description>
  <summary>Recommended update for enigmail</summary>
</patchinfo>