Fix Windows CUDA-11.1 test jobs (#49376)
Summary:
Fixes typo introduced by https://github.com/pytorch/pytorch/pull/49156
Pull Request resolved: https://github.com/pytorch/pytorch/pull/49376
Reviewed By: seemethere
Differential Revision: D25548524
Pulled By: malfet
fbshipit-source-id: 6aa3d903f6105c576c009f05a6b9d29f32b35c47
