Add warnings to and deprecated all those Mac modules
diff --git a/Mac/Modules/autoGIL.c b/Mac/Modules/autoGIL.c
index 3108816..af2e699 100644
--- a/Mac/Modules/autoGIL.c
+++ b/Mac/Modules/autoGIL.c
@@ -134,6 +134,9 @@
 {
 	PyObject *mod;
 
+	if (PyErr_WarnPy3k("In 3.x, the autoGIL module is removed.", 1) < 0)
+		return;
+
 	mod = Py_InitModule4("autoGIL", autoGIL_methods, autoGIL_docs,
 			     NULL, PYTHON_API_VERSION);
 	if (mod == NULL)