Fixed seek offset size to 64bit. (#27125 for 1.3.0) (#27069)
* Fixed seek offset size to 64bit. (#27047)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/26998
Pull Request resolved: https://github.com/pytorch/pytorch/pull/27047
Differential Revision: D17666050
Pulled By: ezyang
fbshipit-source-id: f02ebd5320ae25f8949be20d0744fe3cd3e2fee9
(cherry picked from commit 1afe3fc01eb194a3e7ce58240462de2121646233)
* Use _lseeki64 instead for MSVC
(cherry picked from commit f49f78d4c89b42474b3357a10de76d179b383e2c)
