Fix typo (also tab character).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208001 91177308-0d34-0410-b5e6-96231b3b80d8
Remove unused argument from AddFeature.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208002 91177308-0d34-0410-b5e6-96231b3b80d8