[InterNetNews/inn] 0ce333: Fix build with Clang warnings

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 0ce333e9b867906bbf1eb4cff16c59a533eaade1
      https://github.com/InterNetNews/inn/commit/0ce333e9b867906bbf1eb4cff16c59a533eaade1
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2021-12-07 (Tue, 07 Dec 2021)

  Changed paths:
    M backends/batcher.c
    M backends/buffchan.c
    M backends/ninpaths.c
    M frontends/rnews.c
    M innd/perl.c
    M innd/site.c
    M innfeed/imap_connection.c
    M lib/getmodaddr.c
    M lib/perl.c
    M nnrpd/perl.c
    M nnrpd/post.c
    M support/getc-tap-harness
    M tests/tap/basic.c

  Log Message:
  -----------
  Fix build with Clang warnings