CMake: silent OpenCASCADE warnings
CMake: silent OpenCASCADE warnings

This patch allow to hide OpenCASCADE-related warnings.


satovey/heekscnc,satovey/heekscnc,asmuelle/heekscnc,asmuelle/heekscnc,jihyun-kim/heekscnc,jihyun-kim/heekscnc,jihyun-kim/heekscnc,satovey/heekscnc,asmuelle/heekscnc,asmuelle/heekscnc,jihyun-kim/heekscnc,satovey/heekscnc