Fix static variable access.

diff --git a/imp/lib/Folder.php b/imp/lib/Folder.php
index f8534ba..196ce30 100644 (file)
--- a/imp/lib/Folder.php
+++ b/imp/lib/Folder.php
@@ -270,7 +270,7 @@ class IMP_Folder
 
         /* Special use flags. */
         $special_use = array();
-        foreach ($this->specialUse as $key => $val) {
+        foreach (self::$specialUse as $key => $val) {
             if (!empty($this->_opts[$key])) {
                 $special_use[] = $val;
             }