Rename _Py_identifier to _Py_IDENTIFIER.
diff --git a/PC/_msi.c b/PC/_msi.c
index 54406df..6fb9c42 100644
--- a/PC/_msi.c
+++ b/PC/_msi.c
@@ -122,7 +122,7 @@
 static FNFCISTATUS(cb_status)
 {
     if (pv) {
-        _Py_identifier(status);
+        _Py_IDENTIFIER(status);
 
         PyObject *result = _PyObject_CallMethodId(pv, &PyId_status, "iii", typeStatus, cb1, cb2);
         if (result == NULL)
@@ -135,7 +135,7 @@
 static FNFCIGETNEXTCABINET(cb_getnextcabinet)
 {
     if (pv) {
-        _Py_identifier(getnextcabinet);
+        _Py_IDENTIFIER(getnextcabinet);
 
         PyObject *result = _PyObject_CallMethodId(pv, &PyId_getnextcabinet, "i", pccab->iCab);
         if (result == NULL)