use CXX compiler for c++ files

native_client_sdk/src/examples/geturl/geturl_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdio.h>
 #include <stdlib.h>
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_instance.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/var.h"
 
 #include "geturl_handler.h"
 
 #ifdef WIN32
 #undef min
 #undef max
 #undef PostMessage
+
+// Allow 'this' in initializer list
+#pragma warning(disable : 4355)
 #endif
 
 GetURLHandler* GetURLHandler::Create(pp::Instance* instance,
                                      const std::string& url) {
   return new GetURLHandler(instance, url);
 }
 
 GetURLHandler::GetURLHandler(pp::Instance* instance,
                              const std::string& url)
     : instance_(instance),
@@ skipping 126 matching lines @@
     printf("GetURLHandler::ReportResult(Ok).\n");
   else
     printf("GetURLHandler::ReportResult(Err). %s\n", text.c_str());
   fflush(stdout);
   if (instance_) {
     pp::Var var_result(fname + "\n" + text);
     instance_->PostMessage(var_result);
   }
 }