Rename _Py_identifier to _Py_IDENTIFIER.
diff --git a/Objects/moduleobject.c b/Objects/moduleobject.c
index 32c4b9e..b69bce6 100644
--- a/Objects/moduleobject.c
+++ b/Objects/moduleobject.c
@@ -415,7 +415,7 @@
 static PyObject *
 module_dir(PyObject *self, PyObject *args)
 {
-    _Py_identifier(__dict__);
+    _Py_IDENTIFIER(__dict__);
     PyObject *result = NULL;
     PyObject *dict = _PyObject_GetAttrId(self, &PyId___dict__);