Snippets for dovecot 2.4.4 from FreeBSD 150amd64

Sourced from https://pkg-status.freebsd.org/beefy23/data/latest-per-pkg/dovecot24/2.4.4/150amd64-default.log.

• cpu-count.c:7:11: warning: '_GNU_SOURCE' macro redefined [-Wmacro-redefined]
      7 | #  define _GNU_SOURCE
        |           ^
  

• file-set-size.c:7:9: warning: '_GNU_SOURCE' macro redefined [-Wmacro-redefined]
      7 | #define _GNU_SOURCE /* for fallocate() */
        |         ^
  

• ioloop-notify-inotify.c:3:9: warning: '_GNU_SOURCE' macro redefined [-Wmacro-redefined]
      3 | #define _GNU_SOURCE
        |         ^
  

• ioloop-notify-kqueue.c:7:9: warning: '_GNU_SOURCE' macro redefined [-Wmacro-redefined]
      7 | #define _GNU_SOURCE
        |         ^
  

• net.c:3:9: warning: '_GNU_SOURCE' macro redefined [-Wmacro-redefined]
      3 | #define _GNU_SOURCE /* For Linux's struct ucred */
        |         ^
  

• restrict-access.c:3:9: warning: '_GNU_SOURCE' macro redefined [-Wmacro-redefined]
      3 | #define _GNU_SOURCE /* setresgid() */
        |         ^
  

• unlink-directory.c:33:9: warning: '_GNU_SOURCE' macro redefined [-Wmacro-redefined]
     33 | #define _GNU_SOURCE /* for O_NOFOLLOW with Linux */
        |         ^