From 04ad48806e1ebdbaf8b7d7876af75495fcb7b9d4 Mon Sep 17 00:00:00 2001
From: Daniel Sipka <no1msd@gmail.com>
Date: Fri, 24 Apr 2015 23:33:48 +0200
Subject: [PATCH] virtual destructor

---
 src/state/render_state.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/state/render_state.hpp b/src/state/render_state.hpp
index e289c5b..e44a956 100644
--- a/src/state/render_state.hpp
+++ b/src/state/render_state.hpp
@@ -10,6 +10,7 @@ class render_context;
 
 class render_state {
  public:
+  virtual ~render_state() {}
   virtual std::string render(render_context& context, const token& token) = 0;
 };