Resolves: upstream#3731 - nss_clear_netgroup_hash_table(): only remove entries from the hash table, do not free them
Signed-off-by: Fabiano FidĂȘncio <fidencio@redhat.com>
(cherry picked from commit 1511bcd8b210e9c889c300485b17549678f34cda)
(cherry picked from commit 43d49c871db8365dc86d83b9bdf565d488e7c838)
(cherry picked from commit feb088d91ca6079c9afdf88ee06f7ed16f720d70)