fix cudnn static linkage (#25848)
Summary:
Fix regression caused by https://github.com/pytorch/pytorch/pull/24938
This fixes CUDA nightly breakages
Pull Request resolved: https://github.com/pytorch/pytorch/pull/25848
Differential Revision: D17256348
Pulled By: soumith
fbshipit-source-id: dded577717947d0f092e9d76b423b2bc7c56070a
