Remove trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187189 91177308-0d34-0410-b5e6-96231b3b80d8
Remove trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187190 91177308-0d34-0410-b5e6-96231b3b80d8