[InterNetNews/inn] 67bcc0: Fix build on 32-bit systems (missing cast)

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 67bcc06254ccbfc01daf1ce9c5aade6485f7b8a4
      https://github.com/InterNetNews/inn/commit/67bcc06254ccbfc01daf1ce9c5aade6485f7b8a4
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2022-01-24 (Mon, 24 Jan 2022)

  Changed paths:
    M tests/lib/headers-t.c

  Log Message:
  -----------
  Fix build on 32-bit systems (missing cast)