diff -up kadu/modules/mail/mail.h~ kadu/modules/mail/mail.h
--- kadu/modules/mail/mail.h~	2008-08-31 16:42:22.000000000 +0200
+++ kadu/modules/mail/mail.h	2010-03-18 01:32:50.000000000 +0100
@@ -13,6 +13,7 @@
 
 #include <QTimer>
 #include <QString>
+#include <QLinkedList>
 
 #include "main_configuration_window.h"
 #include "../notify/notify.h"