let us at least try to render the shapes

Change-Id: I8753c6a9397117137d4da25f76db1f9cae23f90e

chart2/source/view/charttypes/GL3DBarChart.cxx

@@ -169,6 +169,7 @@ void GL3DBarChart::render()
     {
         itr->render();
     }
+    mpRenderer->ProcessUnrenderedShape();
     mrWindow.getContext()->swapBuffers();
 }