add forgotten PyObject_SetAttrString
diff --git a/Include/object.h b/Include/object.h
index 55c9722..07f7646 100644
--- a/Include/object.h
+++ b/Include/object.h
@@ -247,6 +247,7 @@
extern PyObject * PyObject_Str Py_PROTO((PyObject *));
extern int PyObject_Compare Py_PROTO((PyObject *, PyObject *));
extern PyObject *PyObject_GetAttrString Py_PROTO((PyObject *, char *));
+extern int PyObject_SetAttrString Py_PROTO((PyObject *, char *, PyObject *));
extern int PyObject_HasAttrString Py_PROTO((PyObject *, char *));
extern PyObject *PyObject_GetAttr Py_PROTO((PyObject *, PyObject *));
extern int PyObject_SetAttr Py_PROTO((PyObject *, PyObject *, PyObject *));