Get rid of more uses of string and use const in a few places.
diff --git a/Include/moduleobject.h b/Include/moduleobject.h
index c43cb93..f50c729 100644
--- a/Include/moduleobject.h
+++ b/Include/moduleobject.h
@@ -14,8 +14,8 @@
PyAPI_FUNC(PyObject *) PyModule_New(const char *);
PyAPI_FUNC(PyObject *) PyModule_GetDict(PyObject *);
-PyAPI_FUNC(char *) PyModule_GetName(PyObject *);
-PyAPI_FUNC(char *) PyModule_GetFilename(PyObject *);
+PyAPI_FUNC(const char *) PyModule_GetName(PyObject *);
+PyAPI_FUNC(const char *) PyModule_GetFilename(PyObject *);
PyAPI_FUNC(void) _PyModule_Clear(PyObject *);
#ifdef __cplusplus