Issue 50872 - dsconf can't create GSSAPI replication agreements
    
    Description:  An error in python syntax broke the check for bind
                  method vs credentials.
    
                  Bug was found and fixed by:  quentinmit (Thanks!)
    
    relates: https://pagure.io/389-ds-base/issue/50872
    
    Reviewed by:  mreynolds