Ticket 49508 - memory leak in cn=replica plugin setup
Bug Description: during db2ldif a memory leak in cn=replica
mt node setup was found.
Fix Description: Free the memory!
https://pagure.io/389-ds-base/issue/49508
Author: wibrown
Review by: mreynolds (Thank you!)
(cherry picked from commit 3aa02b6981802dc6bacdd951bccc24ce55868c07)