From 7f830a5f374e5111517ac050a361c1a2f9870fd3 Mon Sep 17 00:00:00 2001
From: Vivien Delmon <vivien.delmon@creatis.insa-lyon.fr>
Date: Fri, 22 Apr 2011 15:23:33 +0200
Subject: [PATCH] gcc 4.6 compatibility:

* ptrdiff_t is in the std namespace
---
 segmentation/tree.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/segmentation/tree.hh b/segmentation/tree.hh
index fa47763..2365cf0 100644
--- a/segmentation/tree.hh
+++ b/segmentation/tree.hh
@@ -90,7 +90,7 @@ class tree {
 
       /// Base class for iterators, only pointers stored, no traversal logic.
 #ifdef __SGI_STL_PORT
-		class iterator_base : public stlport::bidirectional_iterator<T, ptrdiff_t> {
+		class iterator_base : public stlport::bidirectional_iterator<T, std::ptrdiff_t> {
 #else
 		class iterator_base {
 #endif
@@ -99,7 +99,7 @@ class tree {
 				typedef T*                              pointer;
 				typedef T&                              reference;
 				typedef size_t                          size_type;
-				typedef ptrdiff_t                       difference_type;
+				typedef std::ptrdiff_t                       difference_type;
 				typedef std::bidirectional_iterator_tag iterator_category;
 
 				iterator_base();
-- 
2.47.1