diff -r 5dc02b23752f -r 3e2da88830cd src/gui/util/qsystemtrayicon_p.h
--- a/src/gui/util/qsystemtrayicon_p.h	Tue Jul 06 15:10:48 2010 +0300
+++ b/src/gui/util/qsystemtrayicon_p.h	Wed Aug 18 10:37:55 2010 +0300
@@ -83,7 +83,9 @@
     void updateMenu_sys();
     QRect geometry_sys() const;
     void showMessage_sys(const QString &msg, const QString &title, QSystemTrayIcon::MessageIcon icon, int secs);
+
     static bool isSystemTrayAvailable_sys();
+    static bool supportsMessages_sys();
 
     QPointer<QMenu> menu;
     QIcon icon;