[InterNetNews/inn] fd2568: expire: Add more logs, and a few more comments

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: fd25689588289156017ea7f95d146449bd416b20
      https://github.com/InterNetNews/inn/commit/fd25689588289156017ea7f95d146449bd416b20
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2022-07-08 (Fri, 08 Jul 2022)

  Changed paths:
    M expire/expire.c

  Log Message:
  -----------
  expire: Add more logs, and a few more comments