[InterNetNews/inn] beaf53: Fix a few more gcc warnings (-Wformat-signedness)

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: beaf53a45693adf293f8b6a017e44d1018a779e6
      https://github.com/InterNetNews/inn/commit/beaf53a45693adf293f8b6a017e44d1018a779e6
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2024-02-12 (Mon, 12 Feb 2024)

  Changed paths:
    M lib/dbz.c
    M nnrpd/perl.c

  Log Message:
  -----------
  Fix a few more gcc warnings (-Wformat-signedness)