File _patchinfo of Package patchinfo.20278

<patchinfo incident="20278">
  <issue tracker="bnc" id="1047218">trackerbug: packages do not build reproducibly from including build time</issue>
  <packager>bmwiedemann</packager>
  <rating>low</rating>
  <category>recommended</category>
  <summary>Recommended update for autogen</summary>
  <description>This update for autogen fixes the following issue:

This update doesn't solve any visible issue to final users but it makes the builds reproducible. (bsc#1047218)

In particular:

- it normalize 'tar'
- it normalize date in 'man-pages' 
  </description>
</patchinfo>