From 2a73f5ab6362a8213e965936d4600d222ade5c5d Mon Sep 17 00:00:00 2001
From: Graham Knop <haarg@haarg.org>
Date: Thu, 19 May 2011 19:25:06 -0500
Subject: [PATCH] fix undefined warnings

---
 lib/WebGUI/Asset.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/WebGUI/Asset.pm b/lib/WebGUI/Asset.pm
index 909de6527..4bc54b99f 100644
--- a/lib/WebGUI/Asset.pm
+++ b/lib/WebGUI/Asset.pm
@@ -180,6 +180,7 @@ around extraHeadTags => sub {
     if (@_ > 0) {
         my $unpacked = $_[0];
         my $packed   = $unpacked;  ##Undo magic aliasing since a reference is passed below
+        return if !defined $packed;
         HTML::Packer::minify( \$packed, {
             remove_newlines     => 1,
             do_javascript       => "shrink",