[InterNetNews/inn] 3ff391: ovdb_stat: Silent -Wnull-pointer-subtraction

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 3ff391b3583eac186b74a4914f816e94f5ab39a3
      https://github.com/InterNetNews/inn/commit/3ff391b3583eac186b74a4914f816e94f5ab39a3
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2024-02-11 (Sun, 11 Feb 2024)

  Changed paths:
    M frontends/ovdb_stat.c

  Log Message:
  -----------
  ovdb_stat: Silent -Wnull-pointer-subtraction

Substracting (char *) 0 for alignment purpose is supported by compilers
like GCC or Clang, but is undefined behaviour by the C Standard as it is
unknown whether all hardware platforms can actually process such pointer
arithmetic (many, if not all, can anyway).