feat(library/init/data/int): import int by default

library/init/data/default.lean

@@ -5,4 +5,4 @@ Authors: Leonardo de Moura
 -/
 prelude
 import init.data.basic init.data.sigma init.data.nat init.data.char init.data.string
-import init.data.list init.data.sum init.data.subtype
+import init.data.list init.data.sum init.data.subtype init.data.int

library/init/data/int/default.lean

@@ -0,0 +1,7 @@
+/-
+Copyright (c) 2016 Microsoft Corporation. All rights reserved.
+Released under Apache 2.0 license as described in the file LICENSE.
+Authors: Leonardo de Moura
+-/
+prelude
+import init.data.int.basic init.data.int.order

library/init/data/int/order.lean

@@ -5,7 +5,8 @@ Authors: Jeremy Avigad
 
 The order relation on the integers.
 -/
-import .basic
+prelude
+import init.data.int.basic
 
 namespace int