Ticket 47740 - Fix coverity issues - Part 5

12494 - resource leak - /ldap/servers/slapd/saslbind.c
12487 - resource leak - /ldap/servers/plugins/replication/urp.c
12486 - resource leak - /ldap/servers/plugins/acl/acleffectiverights.c
12480 - resource leak - lib/ldaputil/certmap.c
12478 - resource leak - lib/ldaputil/certmap.c
12477 - resource leak - lib/ldaputil/certmap.c

https://fedorahosted.org/389/ticket/47740

Reviewed by: rmeggins(Thanks!)
(cherry picked from commit eb10369878df49fdd8a5ff572a6ebeee1716dac5)
Ticket 47740 - Crash caused by changes to certmap.c

Bug Description: dncomps & filtercomps could be incorrectly freed,
                 which lead to a crash.

Fix Description: Allocate "" for dncomps & filtercomps, instead of
                 setting it on the stack.

https://fedorahosted.org/389/ticket/47740

Reviewed by: rmeggins(Thanks!)
(cherry picked from commit 33b98f1c901f1441dd1f709e244735fa339a287e)
Ticket 47743 - Memory leak with proxy auth control

Description:  We were not properly freeing the ber when parsing
              the proxy auth DN.

https://fedorahosted.org/389/ticket/47743

Reviewed by: rmeggins(Thanks!)
(cherry picked from commit e4a1de6abf9cf349f89c7b55527e89da258c5fd5)