Ticket 408 - create a normalized dn cache
covscan Defect type: FORWARD_NULL
15. 389-ds-base-1.3.1.6/ldap/servers/slapd/dn.c:3036:var_deref_op -
Dereferencing null pointer "node".
Introduced by commit 1d6dd39fb8b0ef8eb42ec9ef8c3d325e27a3d3c1
Fix: Check if "node" is null or not before referencing.
Reviewed by rmeggins@redhat.com (Thank you, Rich!!)
(cherry picked from commit 5ac08038a05877b4240755801debd5e5a3a94c6f)
(cherry picked from commit 977c1b293beb0e8324a99614705ba316d46352f8)