Ticket 47736 - Import incorrectly updates numsubordinates for tombstone entries
    
    Bug Description:  Imports incorrectly updates numsubordinates when processing
                      tombstone entries.
    
    Fix Description:  Fix the logic in the condition test for updating parentid.
    
    https://fedorahosted.org/389/ticket/47736
    
    Reviewed by: rmeggins & nhosoi(Thanks!!)