[InterNetNews/inn] d4d5f3: pullnews: Fix useless downloads when using -w

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: d4d5f361f53d3dc37c274dbeb1563e5aaa111737
      https://github.com/InterNetNews/inn/commit/d4d5f361f53d3dc37c274dbeb1563e5aaa111737
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2023-04-14 (Fri, 14 Apr 2023)

  Changed paths:
    M frontends/pullnews.in

  Log Message:
  -----------
  pullnews: Fix useless downloads when using -w

When the connection times out and is automatically restarted, -w (when
used) was applied another time, which led already downloaded articles
to be downloaded another time.