[InterNetNews/inn] 1ad22f: innd: Accept trailing whitespace in newsfeeds entries

[Julien ÉLIE]

  Branch: refs/heads/2.7
  Home:   https://github.com/InterNetNews/inn
  Commit: 1ad22fe3f4dabb6272178d2dce63c63e7ab85dff
      https://github.com/InterNetNews/inn/commit/1ad22fe3f4dabb6272178d2dce63c63e7ab85dff
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2023-02-18 (Sat, 18 Feb 2023)

  Changed paths:
    M doc/pod/news.pod
    M innd/newsfeeds.c

  Log Message:
  -----------
  innd: Accept trailing whitespace in newsfeeds entries

A common syntax error in newsfeeds is trailing whitespace like in
":innfeed! " at the end of an entry, due to a copy/paste artifact.

Though inncheck reports it, it's better to make innd ignore trailing
whitespace instead of dying!

close #241