pytorch

267a8da1 - Fix broken windows build due per channel quantization stack land. (#38828)

Fix broken windows build due per channel quantization stack land. (#38828) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/38828 Move newly introduced functions in qnnpack_utils.h inside the ifdef. Test Plan: CI. Reviewed By: malfet Differential Revision: D21672942 fbshipit-source-id: 32e23bb45f5f3f882618e91435a1ae9f80781f97