debugger: all leaks must be fixed

Reviewed-by: dt

src/plugins/debugger/stackwindow.cpp

@@ -73,6 +73,11 @@ StackWindow::StackWindow(DebuggerManager *manager, QWidget *parent)
         this, SLOT(showAddressColumn(bool)));
 }
 
+StackWindow::~StackWindow()
+{
+    delete m_disassemblerAgent;
+}
+
 void StackWindow::showAddressColumn(bool on)
 {
     setColumnHidden(4, !on);

src/plugins/debugger/stackwindow.h

@@ -50,6 +50,7 @@ class StackWindow : public QTreeView
 
 public:
     StackWindow(DebuggerManager *manager, QWidget *parent = 0);
+    ~StackWindow();
 
 signals:
     void frameActivated(int);