From 037210c70c06f23ac8b17ff59cba0325b20529fb Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Mon, 12 Nov 2012 20:07:05 +0100
Subject: [PATCH] SafeCountable::m_count is mutable so that we can have
 safe_ptr<const T>

---
 src/utils.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/utils.hh b/src/utils.hh
index 73bd6276..b2c1847c 100644
--- a/src/utils.hh
+++ b/src/utils.hh
@@ -116,11 +116,11 @@ public:
    SafeCountable() : m_count(0) {}
    ~SafeCountable() { assert(m_count == 0); }
 
-   void inc_safe_count() { ++m_count; }
-   void dec_safe_count() { --m_count; assert(m_count >= 0); }
+   void inc_safe_count() const { ++m_count; }
+   void dec_safe_count() const { --m_count; assert(m_count >= 0); }
 
 private:
-   int m_count;
+   mutable int m_count;
 };
 
 // *** Containers helpers ***