Trivial formatting changes; no functional changes intended.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192640 91177308-0d34-0410-b5e6-96231b3b80d8
Provide a dummy NetBSD tree and use --sysroot in the driver test.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192641 91177308-0d34-0410-b5e6-96231b3b80d8