Avoid using a utility header for Python replacements included in Samba,

since this will not be shipped with talloc/tdb/tevent/etc.

source4/scripting/python/pyglue.c

@@ -25,13 +25,17 @@
 #include "lib/ldb-samba/ldif_handlers.h"
 #include "librpc/ndr/libndr.h"
 #include "version.h"
-#include "../lib/util/python_util.h"
+#include <Python.h>
 #include "lib/ldb/pyldb.h"
 #include "libcli/util/pyerrors.h"
 #include "libcli/security/security.h"
 #include "auth/pyauth.h"
 #include "param/pyparam.h"
 
+#ifndef Py_RETURN_NONE
+#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
+#endif
+
 /* FIXME: These should be in a header file somewhere, once we finish moving
  * away from SWIG .. */
 extern struct cli_credentials *cli_credentials_from_py_object(PyObject *py_obj);