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!)