Ticket 49072 - fix log refactoring
    
        Description:  change slapi_log_err() to slapi_log_error()
    
        https://fedorahosted.org/389/ticket/49072
    
        Reviewed by: mreynolds(one line commit rule)
    
    (cherry picked from commit ffaf3aa766beef6f02edfee9ad67585d2436b793)