[InterNetNews/inn] 6e0764: Fix unappropriated log of unknown storage class

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 6e07649ae503c4bd89c0bcf4b7038e093abe1511
      https://github.com/InterNetNews/inn/commit/6e07649ae503c4bd89c0bcf4b7038e093abe1511
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2023-11-02 (Thu, 02 Nov 2023)

  Changed paths:
    M storage/tradspool/tradspool.c

  Log Message:
  -----------
  Fix unappropriated log of unknown storage class

A warn log may appear when rebuilding the history file from a tradspool
directory whereas there is nothing to worry about (as SMerrorstr is not
set for the corresponding article wrongly reported in error).

Thanks to Jesse Rehmer for the bug report.