[SSSD] [sssd PR#968][comment] util/sss_ptr_hash: fixed double free in sss_ptr_hash_delete_cb()

[alexey-tikhonov]

URL: https://github.com/SSSD/sssd/pull/968
Title: #968: util/sss_ptr_hash: fixed double free in sss_ptr_hash_delete_cb()

alexey-tikhonov commented:
"""
Note: backport to 1-16 is not required.
"""

See the full comment at https://github.com/SSSD/sssd/pull/968#issuecomment-573325730