BUG: In ctkVTK{Slice, Render}View, forceRender should be a slot

Libs/Visualization/VTK/Widgets/ctkVTKRenderView.h

@@ -51,9 +51,11 @@ public:
   /// If a render has already been scheduled, this called is a no-op
   void scheduleRender();
 
+public slots:
   /// Force a render even if a render is already ocurring
   void forceRender();
 
+public:
   /// Get underlying RenderWindow
   vtkRenderWindow* renderWindow()const;
   

Libs/Visualization/VTK/Widgets/ctkVTKSliceView.h

@@ -58,9 +58,13 @@ public:
   /// If a render has already been scheduled, this called is a no-op
   void scheduleRender();
 
+public slots:
+
   /// Force a render even if a render is already ocurring
   void forceRender();
 
+public:
+
   /// Get underlying RenderWindow
   vtkRenderWindow* renderWindow() const;