--- a/src/gui/util/qsystemtrayicon_qws.cpp	Tue Jul 06 15:10:48 2010 +0300
+++ b/src/gui/util/qsystemtrayicon_qws.cpp	Wed Aug 18 10:37:55 2010 +0300
@@ -75,6 +75,11 @@
     return false;
 }
 
+bool QSystemTrayIconPrivate::supportsMessages_sys()
+{
+    return false;
+}
+
 void QSystemTrayIconPrivate::showMessage_sys(const QString &message,
                                              const QString &title,
                                              QSystemTrayIcon::MessageIcon icon,