Add #include <iterator> to files that use std::back_inserter.

tools/win/supalink/supalink.cpp

 // Copyright (c) 2011 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 <windows.h>
-#include <algorithm>
+
 #include <stdio.h>
 #include <stdlib.h>
+
+#include <algorithm>
+#include <iterator>
 #include <string>
 
 using namespace std;
 
 // Don't use stderr for errors because VS has large buffers on them, leading
 // to confusing error output.
 static void Fatal(const wchar_t* msg) {
   wprintf(L"supalink fatal error: %s\n", msg);
   exit(1);
 }
@@ skipping 168 matching lines @@
     DumpFile(backup_copy.c_str(), fixed);
 
     end_time = GetTickCount64();
 
     wprintf(L"  took %.2fs to modify @rsp file\n",
             (end_time - start_time) / 1000.0);
   }
 
   Fallback();
 }