Added prototype for PyInstance_NewRaw().
diff --git a/Include/classobject.h b/Include/classobject.h
index 666704c..8fde040 100644
--- a/Include/classobject.h
+++ b/Include/classobject.h
@@ -42,6 +42,7 @@
extern DL_IMPORT(PyObject *) PyClass_New(PyObject *, PyObject *, PyObject *);
extern DL_IMPORT(PyObject *) PyInstance_New(PyObject *, PyObject *,
PyObject *);
+extern DL_IMPORT(PyObject *) PyInstance_NewRaw(PyObject *, PyObject *);
extern DL_IMPORT(PyObject *) PyMethod_New(PyObject *, PyObject *, PyObject *);
extern DL_IMPORT(PyObject *) PyMethod_Function(PyObject *);