Ticket #47675 logconv errors when search has invalid bind dn
    
    https://fedorahosted.org/389/ticket/47675
    Reviewed by: mreynolds (Thanks!)
    Branch: master
    Fix Description: Just skip processing the search request, and let the err=34
    processing handle this case.
    Platforms tested: RHEL6 x86_64
    Flag Day: no
    Doc impact: no