Fix auto raw pointer deduction on linux

components/update_client/update_response.cc

 // Copyright 2014 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 "components/update_client/update_response.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 273 matching lines @@
 
 // Parses a single <app> tag.
 bool ParseAppTag(xmlNode* app,
                  UpdateResponse::Result* result,
                  std::string* error) {
   // Read cohort information.
   auto cohort = GetAttributePtr(app, "cohort");
   static const char* attrs[] = {UpdateResponse::Result::kCohort,
                                 UpdateResponse::Result::kCohortHint,
                                 UpdateResponse::Result::kCohortName};
-  for (const auto& attr : attrs) {
+  for (auto* attr : attrs) {
     auto value = GetAttributePtr(app, attr);
     if (value)
       result->cohort_attrs.insert({attr, *value});
   }
 
   // Read the crx id.
   result->extension_id = GetAttribute(app, "appid");
   if (result->extension_id.empty()) {
     *error = "Missing appid on app node";
     return false;
@@ skipping 76 matching lines @@
       results_.list.push_back(result);
     } else {
       ParseError("%s", error.c_str());
     }
   }
 
   return true;
 }
 
 }  // namespace update_client