Fixup c10 headers with clang-tidy (#91407)
Clang-tidy was not applied properly to headers in c10 as documented #91406. These are the easy automated fixes that came out of applying clang-tidy to the c10 part of the code base. cc @ezyang
Pull Request resolved: https://github.com/pytorch/pytorch/pull/91407
Approved by: https://github.com/ezyang
