Fix zip serialization for file > 2GiB for Windows (#40783)
Summary:
`long long == int64_t != long` in MSVC
Pull Request resolved: https://github.com/pytorch/pytorch/pull/40783
Differential Revision: D22328757
Pulled By: ezyang
fbshipit-source-id: bc7301d6b0e7e00ee6d7ca8637e3fce7810b15e2
