use Plack::Util instead of relying on someone leaking it.

perlDreamer · perlDreamer · commit 202d073b2dd0 · 2012-02-10T08:30:31.000-08:00
diff --git a/app.psgi b/app.psgi
@@ -15,6 +15,7 @@
 
 use strict;
 use Plack::Builder;
+use Plack::Util;
 
 use WebGUI::Paths -inc;
 use WebGUI::Config;
