Fix broken clang formatting

Summary: This differential fixes broken clang formatting

Test Plan:
Make a change in C++ file and then run yarn clang-format-all. Ensure that change is reverted. Prior to this diff running yarn clang-format-all throws
an error and does nothing.

Reviewers: tomek, michal, kamil

Reviewed By: tomek

Subscribers: ashoat

Differential Revision: https://phab.comm.dev/D11117