[fbcode][warnings] Suppress warnings in caffe2/c10 (#71356)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/71356
Suppress remaining header based warnings in `caffe2/c10` when building with `clang`
Test Plan: CI pass
Reviewed By: r-barnes
Differential Revision: D33600097
fbshipit-source-id: e1c0d84a0bad768eb03e047d62b5379cf28b48e2
