so do not complain when it is absent.
issue found by and patch ok by ajacoutot@
"I don't do perl, but seems ok" deraadt@
#!/usr/bin/perl -T
-# $OpenBSD: security,v 1.30 2014/06/26 16:00:16 schwarze Exp $
+# $OpenBSD: security,v 1.31 2014/07/14 08:49:27 schwarze Exp $
#
# Copyright (c) 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
# Copyright (c) 2011 Andrew Fresh <andrew@afresh1.com>
# File systems should not be globally exported.
sub check_exports {
my $filename = '/etc/exports';
+ return unless -e $filename;
nag !(open my $fh, '<', $filename), "open: $filename: $!" and return;
LINE: while (<$fh>) {