Fix trailing whitespace and indentation.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@194722 91177308-0d34-0410-b5e6-96231b3b80d8
Test for r194671.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@194723 91177308-0d34-0410-b5e6-96231b3b80d8