Ticket 49185 - Fix memleak in compute init
    
    Bug Description:  bak2db would jump to goto: cleanup, which
    bypasses the compute cleanup.
    
    Fix Description:  Move the compute terminate step.
    
    https://pagure.io/389-ds-base/issue/49185
    
    Author: wibrown
    
    Review by: mreynolds (Thanks!)