Fix ambiguous assignment error.

This fixes: C2593   'operator =' is ambiguous errors.


Former-commit-id: 3cde362c

src/Cxx/Qt/BorderWidgetQt.cxx

@@ -52,7 +52,8 @@ BorderWidgetQt::BorderWidgetQt()
   this->qvtkWidget->GetRenderWindow()->AddRenderer(renderer);
 
   // Add a border widget to the right renderer
-  this->BorderWidget = vtkNew<vtkBorderWidget>();
+  vtkNew<vtkBorderWidget> bw;
+  this->BorderWidget = bw;
   this->BorderWidget->SetInteractor(this->qvtkWidget->GetInteractor());
   this->BorderWidget->On();
 }

src/Cxx/Qt/EventQtSlotConnect.cxx

@@ -16,7 +16,8 @@ EventQtSlotConnect::EventQtSlotConnect()
   vtkNew<vtkGenericOpenGLRenderWindow> renderWindow;
   this->qvtkWidget->SetRenderWindow(renderWindow);
 
-  this->Connections = vtkNew<vtkEventQtSlotConnect>();
+  vtkNew<vtkEventQtSlotConnect> slotConnector;
+  this->Connections = slotConnector;
 
   // Sphere
   vtkNew<vtkSphereSource> sphereSource;