From 5482763a93a877adb6899d4323fdee1f90efbfa0 Mon Sep 17 00:00:00 2001
From: Dave Abrahams <dave@boostpro.com>
Date: Mon, 12 Feb 2001 04:45:02 +0000
Subject: [PATCH] added missing const qualifier

[SVN r9148]
---
 include/boost/iterator_adaptors.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/iterator_adaptors.hpp b/include/boost/iterator_adaptors.hpp
index 38eca67..22c7ade 100644
--- a/include/boost/iterator_adaptors.hpp
+++ b/include/boost/iterator_adaptors.hpp
@@ -577,7 +577,7 @@ struct iterator_adaptor :
 
     // Moved from global scope to avoid ambiguity with the operator-() which
     // subtracts iterators from one another.
-    self operator-(Distance x)
+    self operator-(Distance x) const
         { self result(*this); return result -= x; }
 private:
     typedef Policies policies_type;