[InterNetNews/inn] f04bf2: Add missing file in previous commit

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: f04bf20c8b8a68e83495bde80054d7b38a720203
      https://github.com/InterNetNews/inn/commit/f04bf20c8b8a68e83495bde80054d7b38a720203
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2023-01-11 (Wed, 11 Jan 2023)

  Changed paths:
    M include/inn/nntp.h

  Log Message:
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  Add missing file in previous commit