Remove unnecessary casts in type object initializers.
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index e45a480..7a59bb2 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -2788,7 +2788,7 @@
 	"object",				/* tp_name */
 	sizeof(PyObject),			/* tp_basicsize */
 	0,					/* tp_itemsize */
-	(destructor)object_dealloc,		/* tp_dealloc */
+	object_dealloc,				/* tp_dealloc */
 	0,					/* tp_print */
 	0,			 		/* tp_getattr */
 	0,					/* tp_setattr */