Convert two more files that were using Windows line endings and remove

a stray single '\r' from one file. These are the last line ending issues
I can find in the files containing parts of LLVM's file headers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@351634 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Basic/Targets/ARC.cpp

@@ -22,4 +22,4 @@ using namespace clang::targets;
 void ARCTargetInfo::getTargetDefines(const LangOptions &Opts,
                                      MacroBuilder &Builder) const {
   Builder.defineMacro("__arc__");
-}
+}