Ticket 49644 - crash in debug build
    
    Description:  In a debug build of the server it crashes when searching
                  the cn=config.  This is due to a pointer not being initialized
                  before being dereferenced.
    
    https://pagure.io/389-ds-base/issue/49644
    
    Reviewed by: mreynolds(one line commit rule)
    
    (cherry picked from commit 5bfc18a245405229bd7bd2acfee681e68df338d6)