schema_matching.cpp: mark internal functions as static. (#21140)
Summary:
Some of the functions are only used in this file - mark them `static`.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/21140
Differential Revision: D15578076
Pulled By: Krovatkin
fbshipit-source-id: 71ae67baabebd40c38ecb9292b5b8202ad2b9fc1
Author
Mikhail Zolotukhin
