Ticket 137 - fix compiler warning
    
    Bug Description: Fix a compiler warning
    
    Fix Description: -
    
    https://pagure.io/389-ds-base/issue/137
    https://pagure.io/389-ds-base/pull-request/50970#comment-122059
    
    Author: William Brown <william@blackhats.net.au>
    
    Review by: ???