[InterNetNews/inn] f3d60b: Fix detection of valid Clang warnings at configure...

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: f3d60bf9ae6fe76ac88904b0ed5a803d821b5e3c
      https://github.com/InterNetNews/inn/commit/f3d60bf9ae6fe76ac88904b0ed5a803d821b5e3c
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2021-12-07 (Tue, 07 Dec 2021)

  Changed paths:
    M configure.ac

  Log Message:
  -----------
  Fix detection of valid Clang warnings at configure time