[SSSD] [sssd PR#5560][comment] pam_sss: fixed potential mem leak

[alexey-tikhonov]

URL: https://github.com/SSSD/sssd/pull/5560
Title: #5560: pam_sss: fixed potential mem leak

alexey-tikhonov commented:
"""
https://cov01.lab.eng.brq.redhat.com/covscanhub/task/210351/log/fixed.err
"""

See the full comment at https://github.com/SSSD/sssd/pull/5560#issuecomment-810004812