reset_recno_ctr (KirbyBase::KBEngine)

    # File lib/kirbybase.rb, line 978
        def reset_recno_ctr(table)
            with_write_locked_table(table) do |fptr|
                encrypted, header_line = get_header_record(table, fptr)
                last_rec_no, rest_of_line = header_line.split('|', 2)
                write_header_record(table, fptr,
                 ['%06d' % 0, rest_of_line].join('|'))
                return true
            end
        end