[InterNetNews/inn] 51fa91: innfeed: Activate debugging code with INNFEED_DEBUG

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 51fa918af0cfa1cf4e7db2943b805f1dd1879e7a
      https://github.com/InterNetNews/inn/commit/51fa918af0cfa1cf4e7db2943b805f1dd1879e7a
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2021-11-01 (Mon, 01 Nov 2021)

  Changed paths:
    M innfeed/article.c
    M innfeed/buffer.c
    M innfeed/configfile.y
    M innfeed/connection.c
    M innfeed/endpoint.c
    M innfeed/endpoint.h
    M innfeed/host.c
    M innfeed/host.h
    M innfeed/imap_connection.c
    M innfeed/innlistener.c
    M innfeed/main.c
    M innfeed/misc.c
    M innfeed/misc.h
    M innfeed/tape.c

  Log Message:
  -----------
  innfeed: Activate debugging code with INNFEED_DEBUG

Instead of "#if 0", define INNFEED_DEBUG to activate the relevant
debugging code.

Clean up useless functions, add missing headers.