Index: Include/moduleobject.h
===================================================================
--- Include/moduleobject.h	(revision 83707)
+++ Include/moduleobject.h	(working copy)
@@ -27,7 +27,12 @@
   PyObject* m_copy;
 } PyModuleDef_Base;
 
-#define PyModuleDef_HEAD_INIT {PyObject_HEAD_INIT(NULL)}
+#define PyModuleDef_HEAD_INIT { \
+    PyObject_HEAD_INIT(NULL)    \
+    NULL, /* m_init */          \
+    0, /* m_index */            \
+    NULL, /* m_copy */          \
+  }
 
 typedef struct PyModuleDef{
   PyModuleDef_Base m_base;