Fixed up the return code for swig interface of Cmiss_scene_viewer_remove_repaint_required_callback. https://tracker.physiomeproject.org/show_bug.cgi?id=3231
Fixed up the return code for swig interface of Cmiss_scene_viewer_remove_repaint_required_callback. https://tracker.physiomeproject.org/show_bug.cgi?id=3231

OpenCMISS/zinc,hsorby/zinc,hsorby/zinc,hsorby/zinc,OpenCMISS/zinc,hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc