Fix some minor typos in tests

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@209830 91177308-0d34-0410-b5e6-96231b3b80d8
Make runlines consistent with other dll attribute tests

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@209831 91177308-0d34-0410-b5e6-96231b3b80d8