...
class KonqUndoManagerCommunicatorPrivate {
public:
    KonqUndoManagerCommunicator instance;
    QList<KonqClosedWindowItem *> m_closedWindowItemList;
};

K_GLOBAL_STATIC(KonqUndoManagerCommunicatorPrivate, myKonqUndoManagerCommunicatorPrivate) //line 35
....
/home/edulix/proyectos/kde4/kdesvn/kdebase/apps/konqueror/src/konqundomanager.cpp:35: error: ‘myKonqUndoManagerCommunicatorPrivate’ has not been declared