pidl: Wireshark: Convert the pidl dissector generation code to C99 types

pidl: Wireshark: Convert the pidl dissector generation code to C99 types

Pick up change from Wireshark:

    commit 4df8d2884ddfe72a03d0b322c10ae515a8366ea4
    Author: John Thacker <johnthacker@gmail.com>
    Date:   Sat Jun 22 11:21:47 2024 -0400

        pidl: Convert the pidl dissector generation code to C99 types

        Switch the Wireshark.pm pidl dissector generation code to using C99
        types, and regenerated the dcerpc pidl dissectors.

        Ping #19116

Signed-off-by: John Thacker <johnthacker@gmail.com>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>