From 255085bd599cb108779d467690b372263f304dcb Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 2 Jan 2019 16:14:00 -0500
Subject: [PATCH] [iter] Const correctness

---
 src/hb-open-type.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-open-type.hh b/src/hb-open-type.hh
index 7dea171df..5f06b96ec 100644
--- a/src/hb-open-type.hh
+++ b/src/hb-open-type.hh
@@ -554,7 +554,7 @@ struct ArrayOf
     return_trace (true);
   }
   template <typename Iterator>
-    hb_enable_if_t (hb_is_iterator (Iterator, Type),
+    hb_enable_if_t (hb_is_iterator (Iterator, const Type),
   bool) serialize (hb_serialize_context_t *c,
 		   Iterator items)
   {