Ticket 48538 - Failed to delete old semaphore
    
    Bug Description:  I misunderstood the sem_unlink call, and logged
    the wrong filepath.
    
    Fix Description:  Fix the file path of the semaphore.
    
    https://pagure.io/389-ds-base/issue/48538
    
    Author: wibrown
    
    Review by: mreynolds (Thanks!)