[InterNetNews/inn] 2f3d5f: delayer: Handle drained queue properly

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 2f3d5f74f7083d0d8ff3f345df5ac03ed03cca75
      https://github.com/InterNetNews/inn/commit/2f3d5f74f7083d0d8ff3f345df5ac03ed03cca75
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2024-01-20 (Sat, 20 Jan 2024)

  Changed paths:
    M backends/delayer.in

  Log Message:
  -----------
  delayer: Handle drained queue properly

If the queue runs empty, there are several warnings about uninitialized
values.  Rewrite the queue handling to avoid duplicate checks.

Thanks to Christoph Biedl for the patch.