Include what you use for the preparser.

src/char-predicates.h

Index: src/char-predicates.h
diff --git a/src/char-predicates.h b/src/char-predicates.h
index 5a901a26aa5553cb71d03de063ac4efa2697c7d2..e41c7990ca607bd2738a6c45dbc4fb44c0217358 100644
--- a/src/char-predicates.h
+++ b/src/char-predicates.h
@@ -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:
@@ -28,6 +28,7 @@
 #ifndef V8_CHAR_PREDICATES_H_
 #define V8_CHAR_PREDICATES_H_
 
+#include "globals.h"
 #include "unicode.h"
 
 namespace v8 {