clang-tody: Rework r198403, to fix build.

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@198404 91177308-0d34-0410-b5e6-96231b3b80d8
Rework of r198404 to avoid changes in the build configuration.


git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@198405 91177308-0d34-0410-b5e6-96231b3b80d8