Index: helpinject.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/helpinject/helpinject.module,v
retrieving revision 1.18
diff -u -p -r1.18 helpinject.module
--- helpinject.module	18 Apr 2009 15:09:22 -0000	1.18
+++ helpinject.module	23 Apr 2009 13:03:12 -0000
@@ -286,7 +286,7 @@ function helpinject_injection_form_treew
     if (isset($data['below']) && is_array($data['below'])) {
       foreach ($data['below'] as $name => $subtree) {
         // Recurse into children book elements.
-        helpinject_injection_form_treewalker(array($name => $subtree), &$rows);
+        helpinject_injection_form_treewalker(array($name => $subtree), $rows);
       }
     }
   }
@@ -298,7 +298,7 @@ function theme_helpinject_injection_form
 
   $bookrows = array();
   foreach ($form['book_trees']['#value'] as $nid => $tree) {
-    helpinject_injection_form_treewalker($tree, &$bookrows);
+    helpinject_injection_form_treewalker($tree, $bookrows);
   }
 
   $max_colums = helpinject_injection_form_treewalker();