remove call-by-reference to comply with php 5.4

diff --git a/classes/pref_feeds.php b/classes/pref_feeds.php
index c87b0e549c696d30f0eadbb2ccdd41c69d314192..5e1ac1a3bc620521cd7d73c3383e21345e27a7fc 100644 (file)
--- a/classes/pref_feeds.php
+++ b/classes/pref_feeds.php
@@ -280,7 +280,7 @@ class Pref_Feeds extends Protected_Handler {
                        (get_pref($this->link, '_PREFS_SHOW_EMPTY_CATS') ? 'false' : 'true'));
        }
 
-       private function process_category_order($data_map, $item_id, $parent_id = false) {
+       private function process_category_order(&$data_map, $item_id, $parent_id = false) {
 #              print "C: $item_id P: $parent_id\n";
                $bare_id = substr($item_id, strpos($item_id, ':')+1);
 
@@ -317,7 +317,7 @@ class Pref_Feeds extends Protected_Handler {
                                                                owner_uid = " . $_SESSION["uid"]);
 
                                        } else if (strpos($id, "CAT:") === 0) {
-                                               $this->process_category_order(&$data_map, $item['_reference'], $item_id);
+                                               $this->process_category_order($data_map, $item['_reference'], $item_id);
 
                                                if ($item_id != 'root') {
                                                        $parent_qpart = db_escape_string($bare_id);
@@ -363,7 +363,7 @@ class Pref_Feeds extends Protected_Handler {
                                }
                        }
 
-                       $this->process_category_order(&$data_map, $root_item);
+                       $this->process_category_order($data_map, $root_item);
 
                        /* foreach ($data['items'][0]['items'] as $item) {
                                $id = $item['_reference'];