[SSSD] [sssd PR#922][synchronized] Fix timing to save errno

[miztake]

   URL: https://github.com/SSSD/sssd/pull/922
Author: miztake
 Title: #922: Fix timing to save errno
Action: synchronized

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/922/head:pr922
git checkout pr922