Fix more build warnings

lib/Bitcode/NaCl/Analysis/NaClObjDump.cpp

 //===-- NaClObjDump.cpp - Dump PNaCl bitcode contents ---------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ADT/STLExtras.h"
@@ skipping 253 matching lines @@
         OpenParen(this, "("),
         CloseParen(this, ")"),
         OpenAngle(this, "<"),
         CloseAngle(this, ">"),
         OpenCurly(this, "{"),
         CloseCurly(this, "}"),
         OpenSquare(this, "["),
         CloseSquare(this, "]"),
         Endline(this),
         StartCluster(this),
-        FinishCluster(this),
-        ObjDump(ObjDump)
+        FinishCluster(this)
   {
     ContinuationIndent = GetIndent(2);
   }
 
   ~AssemblyTextFormatter() override {}
 
   naclbitc::TokenTextDirective Comma;
   naclbitc::TokenTextDirective Semicolon;
   naclbitc::TokenTextDirective Colon;
   naclbitc::SpaceTextDirective Space;
@@ skipping 45 matching lines @@
   /// or global.
   AbbrevIndexDirective &TokenizeAbbrevIndex(NaClBitcodeRecord &Record,
                                             unsigned NumGlobalAbbreviations) {
     AbbrevIndexDirective *Dir = AbbrevIndexDirMemoryPool.Allocate(this);
     Dir->Record = &Record;
     Dir->NumGlobalAbbreviations = NumGlobalAbbreviations;
     return *Dir;
   }
 
 private:
-  // The ObjDumpStream associated with this text formatter.
-  naclbitc::ObjDumpStream &ObjDump;
-
   // Converts the given type to tokens, based on the values passed in
   // by TokenizeType, TokenizeFunctionType, or TokenizeFunctionSignature.
   void TokenizeTypeInternal(Type *Typ, BitcodeId* FcnName, bool AddParams);
 
   // The free list of type directives.
   naclbitc::DirectiveMemoryPool<TypeDirective> TypeDirMemoryPool;
 
   // Allocates an instance of TypeDirective with the following fields.
   TypeDirective &AllocateTypeDirective(Type *Typ, BitcodeId *FcnId,
                                        bool AddParams);
@@ skipping 3219 matching lines @@
     ObjDump.Error() << "Expected 1 top level block in bitcode: Found:"
                     << NumBlocksRead << "\n";
     ErrorsFound = true;
   }
 
   ObjDump.Flush();
   return ErrorsFound || Parser.GetNumErrors() > 0;
 }
 
 }