Add c10_cuda to libraries in CUDAExtension for Windows (#18982)
Summary:
This change was necessary for me to compile [apex](https://github.com/NVIDIA/apex) on Windows.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/18982
Differential Revision: D14819818
Pulled By: soumith
fbshipit-source-id: 37ff9b93a72ab2b7c87f23a61e9f776c71c4c1a8
