Made function prototype property DontEnum for compatibility with

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 8cd49f8b29f1b2ac5c2d934da924064cc838631b..2789bad21646b84a81fe02402887817d91ffac49 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -1024,8 +1024,8 @@ class V8EXPORT String : public Primitive {
    public:
     explicit Value(Handle<v8::Value> obj);
     ~Value();
-    uint16_t* operator*() const { return str_; }
-    const uint16_t* operator*() { return str_; }
+    uint16_t* operator*() { return str_; }
+    const uint16_t* operator*() const { return str_; }
     int length() const { return length_; }
    private:
     uint16_t* str_;