Add hints for vtkCarbonRenderWindow methods

The OS X dashboards are getting void_p conversions instead of proper
tuple conversions.

Change-Id: I4dd61225bddeecae617370e6e1ac01fdb1dc2ecf
Merge topic 'add-carbon-render-window-hints' into master

13ce2ed1 Add hints for vtkCarbonRenderWindow methods