[libc-commits] [libc] [libc][fcntl] fix -Wshorten-64-to-32 for 32b ARM (PR #95945)

[Schrodinger ZHU Yifan via libc-commits]

https://github.com/SchrodingerZhu approved this pull request.

This patch LGTM. 

But @lntue mentioned there may be other problems.

https://github.com/llvm/llvm-project/pull/95945