File _patchinfo of Package patchinfo.4521

<patchinfo incident="4521">
  <issue id="961439" tracker="bnc">xserver: busfault handler corrupts memory</issue>
  <category>recommended</category>
  <rating>moderate</rating>
  <packager>eeich</packager>
  <description>
This update for xorg-x11-server fixes the following issues: 

- Only initialize pointer when matched (boo#961439).
</description>
  <summary>Recommended update for xorg-x11-server</summary>
</patchinfo>