debugger: make 'address column' in stack and breakpoint view optional

src/plugins/debugger/stackwindow.h

@@ -61,9 +61,9 @@ public slots:
 private slots:
     void rowActivated(const QModelIndex &index);
     void setAlternatingRowColorsHelper(bool on) { setAlternatingRowColors(on); }
+    void showAddressColumn(bool on);
 
 private:
-    void resizeEvent(QResizeEvent *ev);
     void contextMenuEvent(QContextMenuEvent *ev);
     void copyContentsToClipboard();