Ticket 47740 - Fix coverity issues(part 7)
    
    12496 - resource leak - ldap/servers/slapd/mapping_tree.c
    12497 - resource leak - ldap/servers/slapd/mapping_tree.c
    12500 - resource leak - ldap/servers/plugins/chainingdb/cb_instance.c
    12501 - resource leak - ldap/servers/plugins/sync/sync_refresh.c
    12506 - resource leak - ldap/servers/plugins/chainingdb/cb_config.c
    12509 - reosurce leak - ldap/servers/plugins/chainingdb/cb_bind.c
    12510 - reosurce leak - lib/ldaputil/certmap.c
    12538 - resource leak - ldap/servers/plugins/mep/mep.c
    12539 - resource leak - ldap/servers/plugins/posix-winsync/posix-winsync.c
    12540 - resource leak - ldap/servers/plugins/posix-winsync/posix-winsync.c
    12541 - resource leak - ldap/servers/plugins/posix-winsync/posix-winsync.c
    12542 - resource leak - ldap/servers/plugins/posix-winsync/posix-winsync.c
    
    https://fedorahosted.org/389/ticket/47740
    
    Reviewed by: nhosoi(Thanks!)