[SSSD] [sssd PR#921][comment] util/server.c: fix handling when error occurs in waitpid()

[pbrezina]

  URL: https://github.com/SSSD/sssd/pull/921
Title: #921: util/server.c: fix handling when error occurs in waitpid()

pbrezina commented:
"""
* `master`
    * 3d92b14d012e754f9a9d3c8451c4b03087b77540 - util/server.c: fix handling when error
occurs in waitpid()

"""

See the full comment at https://github.com/SSSD/sssd/pull/921#issuecomment-549298419