Fix auto raw pointer deduction on linux

mojo/public/cpp/bindings/lib/message_header_validator.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 "mojo/public/cpp/bindings/message_header_validator.h"
 
 #include "mojo/public/cpp/bindings/lib/array_internal.h"
 #include "mojo/public/cpp/bindings/lib/validate_params.h"
 #include "mojo/public/cpp/bindings/lib/validation_context.h"
 #include "mojo/public/cpp/bindings/lib/validation_errors.h"
@@ skipping 46 matching lines @@
   if ((header->flags & kRequestIdFlags) == kRequestIdFlags) {
     internal::ReportValidationError(
         validation_context,
         internal::VALIDATION_ERROR_MESSAGE_HEADER_INVALID_FLAGS);
     return false;
   }
 
   if (header->version < 2)
     return true;
 
-  auto header_v2 = static_cast<const internal::MessageHeaderV2*>(header);
+  auto* header_v2 = static_cast<const internal::MessageHeaderV2*>(header);
   // For the payload pointer:
   // - Check that the pointer can be safely decoded.
   // - Claim one byte that the pointer points to. It makes sure not only the
   //   address is within the message, but also the address precedes the array
   //   storing interface IDs (which is important for safely calculating the
   //   payload size).
   // - Validation of the payload contents will be done separately based on the
   //   payload type.
   if (!header_v2->payload.is_null() &&
       (!internal::ValidatePointer(header_v2->payload, validation_context) ||
@@ skipping 46 matching lines @@
                                                     &validation_context))
     return false;
 
   if (!IsValidMessageHeader(message->header(), &validation_context))
     return false;
 
   return true;
 }
 
 }  // namespace mojo