Clean up exit status and globals procecessing in llvm2ice.

src/PNaClTranslator.h

Index: src/PNaClTranslator.h
diff --git a/src/PNaClTranslator.h b/src/PNaClTranslator.h
index a0316d717b00745eecb841abf6c62554895e097c..a8ca06a6e777480f2e634b96e7ab83a535c7d9ed 100644
--- a/src/PNaClTranslator.h
+++ b/src/PNaClTranslator.h
@@ -25,7 +25,7 @@ public:
   PNaClTranslator(GlobalContext *Ctx, ClFlags &Flags)
       : Translator(Ctx, Flags) {}
   // Reads the PNaCl bitcode file and translates to ICE, which is then
-  // converted to machine code. Sets ExitStatus to non-zero if any
+  // converted to machine code. Sets ErrorStatus to true if any
   // errors occurred.
   void translate(const std::string &IRFilename);