const poisoning, spreading to fix new const warnings
in _winreg.c.
diff --git a/Include/structmember.h b/Include/structmember.h
index 96d2331..91b23d5 100644
--- a/Include/structmember.h
+++ b/Include/structmember.h
@@ -79,11 +79,11 @@
/* Obsolete API, for binary backwards compatibility */
-PyAPI_FUNC(PyObject *) PyMember_Get(char *, struct memberlist *, char *);
-PyAPI_FUNC(int) PyMember_Set(char *, struct memberlist *, char *, PyObject *);
+PyAPI_FUNC(PyObject *) PyMember_Get(const char *, struct memberlist *, const char *);
+PyAPI_FUNC(int) PyMember_Set(char *, struct memberlist *, const char *, PyObject *);
/* Current API, use this */
-PyAPI_FUNC(PyObject *) PyMember_GetOne(char *, struct PyMemberDef *);
+PyAPI_FUNC(PyObject *) PyMember_GetOne(const char *, struct PyMemberDef *);
PyAPI_FUNC(int) PyMember_SetOne(char *, struct PyMemberDef *, PyObject *);