[SSSD] [sssd PR#968][+Ready to push] util/sss_ptr_hash: fixed double free in sss_ptr_hash_delete_cb()

[pbrezina]

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

Label: +Ready to push