- Fix which headers are included.

bin/builtin.cc

Index: bin/builtin.cc
===================================================================
--- bin/builtin.cc	(revision 543)
+++ bin/builtin.cc	(working copy)
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-#include <string>
+#include <stdio.h>
 
 #include "include/dart_api.h"
 
@@ -11,8 +11,8 @@
 // Implementation of native functions which are used for some
 // test/debug functionality in standalone dart mode.
 
-void PrintString(FILE* out, Dart_Handle string) {
-  Dart_Result result = Dart_StringToCString(string);
+void PrintString(FILE* out, Dart_Handle str) {
+  Dart_Result result = Dart_StringToCString(str);
   const char* cstring = Dart_IsValidResult(result) ?
       Dart_GetResultAsCString(result) : Dart_GetErrorCString(result);
   fprintf(out, "%s\n", cstring);