File _patchinfo of Package patchinfo.21576

<patchinfo incident="21576">
  <issue tracker="bnc" id="1191395">spack: bug in sourcing  /usr/share/spack/setup-env.sh</issue>
  <packager>eeich</packager>
  <rating>moderate</rating>
  <category>recommended</category>
  <summary>Recommended update for spack</summary>
  <description>This update for spack fixes the following issues:

- Make sure modules are not called recursively even if modules are loaded in an out-of-order fashion from python-Sphinx.
- Fix typo to export prefix in patch. (bsc#1191395)
</description>
</patchinfo>