[easy]Unbreak caffe2benchmarking build (#63655)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/63655
ghstack-source-id: 136324310
Test Plan: buck build //fbobjc/Apps/Internal/Caffe2Benchmarking:Caffe2Benchmarking fbobjc/mode/iphonesimulator
Reviewed By: hl475, JacobSzwejbka
Differential Revision: D30455659
fbshipit-source-id: b6da6be4f89b6e84753ef0849ffedea04785034a
