[InterNetNews/inn] 78e532: Fix the output of nnrpd's process title in ps(1)

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 78e5320c92b58f5e380fb28364073354081eec3e
      https://github.com/InterNetNews/inn/commit/78e5320c92b58f5e380fb28364073354081eec3e
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2023-04-14 (Fri, 14 Apr 2023)

  Changed paths:
    M lib/setproctitle.c

  Log Message:
  -----------
  Fix the output of nnrpd's process title in ps(1)

The last character of the argv[0] buffer was not overwritten.