debugger: fix expansion of object in gdb tooltips on first click

Change-Id: Ia157f8fb7f1b9ff8a8161c8a726d1d483b81e54f
Reviewed-on: http://codereview.qt.nokia.com/179
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/debugger/cdb/cdbengine.cpp

@@ -550,7 +550,7 @@ bool CdbEngine::setToolTipExpression(const QPoint &mousePos,
         if (!index.isValid())
             return false;
     }
-    DebuggerTreeViewToolTipWidget *tw = new DebuggerTreeViewToolTipWidget;
+    DebuggerToolTipWidget *tw = new DebuggerToolTipWidget;
     tw->setContext(context);
     tw->setDebuggerModel(LocalsWatch);
     tw->setExpression(exp);