' ' ==> ' ' (#17498)
Summary:
Fix formatting error for cpp code.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/17498
Reviewed By: zou3519
Differential Revision: D14224549
Pulled By: fmassa
fbshipit-source-id: f1721c4a75908ded759aea8c561f2e1d66859eec
