Compilation fixes.

qt/mainwindow.cpp

@@ -143,10 +143,6 @@ bool MainWindow::winEvent(MSG * msg, long * result)
 MainWindow::~MainWindow()
 {
   SaveState();
-#ifndef NO_DOWNLOADER
-  if (m_updateDialog)
-    m_updateDialog->DetachFromStorage();
-#endif
 }
 
 void MainWindow::SaveState()

qt/update_dialog.cpp

@@ -88,7 +88,7 @@ namespace qt
                                             bind(&UpdateDialog::OnCountryDownloadProgress, this, _1, _2));
   }
 
-  void UpdateDialog::DetachFromStorage()
+  UpdateDialog::~UpdateDialog()
   {
     // tell download manager that we're gone...
     m_storage.Unsubscribe(m_observerSlotId);

qt/update_dialog.hpp

@@ -17,6 +17,7 @@ namespace qt
 
   public:
     explicit UpdateDialog(QWidget * parent, storage::Storage & storage);
+    virtual ~UpdateDialog();
 
     /// @name Called from downloader to notify GUI
     //@{
@@ -27,8 +28,6 @@ namespace qt
 
     void ShowModal();
 
-    void DetachFromStorage();
-
   private slots:
     void OnItemClick(QTreeWidgetItem * item, int column);
     void OnCloseClick();