Use <paths.h> and _PATH_MAILDIR to find mailboxes if present

Use autoconf to check for paths.h on all systems, instead of
only including it #ifdef CSRG_BASED

Makes _PATH_MAILDIR the preferred mail directory path on all systems
if it's defined, falls back to old per-system hardcoded paths if not.

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Dan Nicholson <dbn.lists@gmail.com>

0 files changed, 0 insertions, 0 deletions