$OpenBSD: patch-lib_Mail_SpamAssassin_Dns_pm,v 1.1 2010/09/27 19:59:39 sthen Exp $

silence perl 5.12.2 warnings, from SA 3.3 svn

--- lib/Mail/SpamAssassin/Dns.pm.orig	Tue Mar 16 14:49:21 2010
+++ lib/Mail/SpamAssassin/Dns.pm	Mon Sep 27 20:39:14 2010
@@ -754,7 +754,7 @@ sub enter_helper_run_mode {
   dbg("dns: entering helper-app run mode");
   $self->{old_slash} = $/;              # Razor pollutes this
   %{$self->{old_env}} = ();
-  if ( defined %ENV ) {
+  if ( %ENV ) {
     # undefined values in %ENV can result due to autovivification elsewhere,
     # this prevents later possible warnings when we restore %ENV
     while (my ($key, $value) = each %ENV) {
