[llvm] Fix some typos. NFC.

Reviewers: mcrosier

Reviewed By: mcrosier

Subscribers: mcrosier, llvm-commits

Differential Revision: https://reviews.llvm.org/D37922

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@313388 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed