[GUI] - Fix leaking QObject

src/Gui/CommandWindow.cpp

@@ -370,7 +370,7 @@ class FilterStatusBar : public QObject
 //    Q_OBJECT
 
 public:
-    FilterStatusBar(Action * action):QObject() {this->action = action;}
+    FilterStatusBar(Action * action):QObject(action) {this->action = action;}
 //    virtual ~FilterStatusBar() {}
 protected:
     Action * action;

src/Gui/SoFCColorBar.cpp

@@ -42,7 +42,7 @@ SO_NODE_ABSTRACT_SOURCE(SoFCColorBarBase)
 /*!
   Constructor.
 */
-SoFCColorBarBase::SoFCColorBarBase()
+SoFCColorBarBase::SoFCColorBarBase(): _windowSize(0,0)
 {
     SO_NODE_CONSTRUCTOR(SoFCColorBarBase);
 }