pytorch

51835bec - Wextra fix 1 for caffe2 (#66272)

Wextra fix 1 for caffe2 (#66272) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/66272 Test Plan: Sandcastle Reviewed By: ngimel Differential Revision: D31475543 fbshipit-source-id: f6e02d299d0b792ddb37534ad85db82af65bb42a