Revert backwards-incompatible const changes.
diff --git a/Objects/longobject.c b/Objects/longobject.c
index 17aab35..345d3b4 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -3008,7 +3008,7 @@
 {
 	PyObject *x = NULL;
 	int base = -909;		     /* unlikely! */
-	static const char *kwlist[] = {"x", "base", 0};
+	static char *kwlist[] = {"x", "base", 0};
 
 	if (type != &PyLong_Type)
 		return long_subtype_new(type, args, kwds); /* Wimp out */