Fix: FunctionTemplate::SetPrototypeAttributes broke prototype object

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 343be1b47ba2eb67be6cb2604eae73ae6e3f317f..c43e2550f11062972b30f173c75b1e7fab1d3f74 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -2224,11 +2224,10 @@ class V8EXPORT FunctionTemplate : public Template {
   void SetHiddenPrototype(bool value);
 
   /**
-   * Sets the property attributes of the 'prototype' property of functions
-   * created from this FunctionTemplate. Can be any combination of ReadOnly,
-   * DontEnum and DontDelete.
+   * Sets the ReadOnly flag in the attributes of the 'prototype' property
+   * of functions created from this FunctionTemplate to true.
    */
-  void SetPrototypeAttributes(int attributes);
+  void ReadOnlyPrototype();
 
   /**
    * Returns true if the given object is an instance of this function