[SSSD] [sssd PR#50][synchronized] [RFC] Use GNULIB's compiler warning code

[fidencio]

   URL: https://github.com/SSSD/sssd/pull/50
Author: fidencio
 Title: #50: [RFC] Use GNULIB's compiler warning code
Action: synchronized

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/50/head:pr50
git checkout pr50