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.

llvm-svn: 351634
diff --git a/clang/lib/Basic/Targets/ARC.cpp b/clang/lib/Basic/Targets/ARC.cpp
index 2159ab8..565f55c 100644
--- a/clang/lib/Basic/Targets/ARC.cpp
+++ b/clang/lib/Basic/Targets/ARC.cpp
@@ -22,4 +22,4 @@
 void ARCTargetInfo::getTargetDefines(const LangOptions &Opts,
                                      MacroBuilder &Builder) const {
   Builder.defineMacro("__arc__");
-}

+}