File _patchinfo of Package patchinfo.258

<patchinfo>
  <issue id="735843" tracker="bnc"/>
  <category>recommended</category>
  <rating>moderate</rating>
  <packager>michael_meeks</packager>
  <description>This update fixes the following issue for gtk3:
    - 735843: enable v7 websockets support for modern browsers.
  </description>
  <summary>gtk3: enable v7 websockets support for modern browsers</summary>
</patchinfo>