Issue #8139: ossaudiodev didn't initialize its types properly, therefore

some methods (such as oss_mixer_device.fileno()) were not available.
Initial patch by Bertrand Janin.

Modules/ossaudiodev.c

@@ -986,11 +986,17 @@ static struct PyModuleDef ossaudiodevmodule = {
 	NULL
 };
 
-PyObject*
+PyMODINIT_FUNC
 PyInit_ossaudiodev(void)
 {
     PyObject *m;
 
+    if (PyType_Ready(&OSSAudioType) < 0)
+        return NULL;
+
+    if (PyType_Ready(&OSSMixerType) < 0)
+        return NULL;
+
     m = PyModule_Create(&ossaudiodevmodule);
     if (m == NULL)
 	return NULL;