Include what you use for the preparser.

src/preparser-api.cc

Index: src/preparser-api.cc
diff --git a/src/preparser-api.cc b/src/preparser-api.cc
index 1bca9a3333227058ca897ffb533bbd4e9df8ef01..6b1810cb5547e7c291495ece6242ca6a77beeeec 100644
--- a/src/preparser-api.cc
+++ b/src/preparser-api.cc
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -30,17 +30,17 @@
 #include "win32-headers.h"
 #endif
 
+#include <stdlib.h>
+#include <string.h>
 #include "../include/v8-preparser.h"
-
-#include "globals.h"
-#include "checks.h"
 #include "allocation.h"
-#include "utils.h"
-#include "list.h"
-#include "hashmap.h"
-#include "preparse-data-format.h"
+#include "checks.h"
+#include "globals.h"
 #include "preparse-data.h"
 #include "preparser.h"
+#include "scanner.h"
+#include "unicode.h"
+#include "utils.h"
 
 namespace v8 {
 namespace internal {