Rename _Py_identifier to _Py_IDENTIFIER.
diff --git a/Python/errors.c b/Python/errors.c
index 5988e1b..998bef6 100644
--- a/Python/errors.c
+++ b/Python/errors.c
@@ -712,7 +712,7 @@
 void
 PyErr_WriteUnraisable(PyObject *obj)
 {
-    _Py_identifier(__module__);
+    _Py_IDENTIFIER(__module__);
     PyObject *f, *t, *v, *tb;
     PyErr_Fetch(&t, &v, &tb);
     f = PySys_GetObject("stderr");