Fix auto raw pointer deduction on linux

sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc

 // Copyright (c) 2013 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.
 
 // Note: any code in this file MUST be async-signal safe.
 
 #include "sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h"
 
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 149 matching lines @@
   const char* const values[] = {
     nr.str(),
     arg1.str(),
     arg2.str(),
     arg3.str(),
     arg4.str(),
   };
 
   size_t crash_key_length = nr.length() + arg1.length() + arg2.length() +
                             arg3.length() + arg4.length();
-  for (const auto& prefix : prefixes) {
+  for (auto* prefix : prefixes) {
     crash_key_length += strlen(prefix);
   }
   ++crash_key_length;  // For the trailing NUL byte.
 
   char crash_key[crash_key_length];
   memset(crash_key, '\0', crash_key_length);
 
   size_t offset = 0;
   for (size_t i = 0; i < arraysize(values); ++i) {
     const char* strings[2] = { prefixes[i], values[i] };
-    for (const auto& string : strings) {
+    for (auto* string : strings) {
       size_t string_len = strlen(string);
       memmove(&crash_key[offset], string, string_len);
       offset += string_len;
     }
   }
 
   base::debug::SetCrashKeyValue("seccomp-sigsys", crash_key);
 #endif
 }
 
@@ skipping 188 matching lines @@
 
 const char* GetKillErrorMessageContentForTests() {
   return SECCOMP_MESSAGE_KILL_CONTENT;
 }
 
 const char* GetFutexErrorMessageContentForTests() {
   return SECCOMP_MESSAGE_FUTEX_CONTENT;
 }
 
 }  // namespace sandbox.