Part: [skip ci] replace some old C-style casts with static_cast
Part: [skip ci] replace some old C-style casts with static_cast

Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master