Define Theme variable for notice.php file

Signed-off-by: Eric Poirier <eric.poirier@eclipse-foundation.org>
diff --git a/epl/notice.php b/epl/notice.php
index 0d30195..68bbd20 100644
--- a/epl/notice.php
+++ b/epl/notice.php
@@ -16,6 +16,7 @@
 require_once ($_SERVER['DOCUMENT_ROOT'] . "/eclipse.org-common/system/app.class.php");
 
 $App = new App();
+$Theme = $App->getThemeClass();
 
 include ($App->getProjectCommon());