Add API for static strings, primarily good for identifiers.
Thanks to Konrad Schöbel and Jasper Schulz for helping with the mass-editing.
diff --git a/Modules/ossaudiodev.c b/Modules/ossaudiodev.c
index f0fe8c2..7512c1d 100644
--- a/Modules/ossaudiodev.c
+++ b/Modules/ossaudiodev.c
@@ -534,7 +534,9 @@
 static PyObject *
 oss_exit(PyObject *self, PyObject *unused)
 {
-    PyObject *ret = PyObject_CallMethod(self, "close", NULL);
+    _Py_identifier(close);
+
+    PyObject *ret = _PyObject_CallMethodId(self, &PyId_close, NULL);
     if (!ret)
         return NULL;
     Py_DECREF(ret);