From 2f07c9d48558bfd1ae0728d74cb3eaa1a5a5d2c9 Mon Sep 17 00:00:00 2001
From: Vladimir Byko-Ianko <v.bykoianko@corp.mail.ru>
Date: Thu, 14 Dec 2017 15:36:53 +0300
Subject: [PATCH] Routing memory leak.

---
 routing/world_graph.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/routing/world_graph.hpp b/routing/world_graph.hpp
index 6f301befd8..280a812974 100644
--- a/routing/world_graph.hpp
+++ b/routing/world_graph.hpp
@@ -37,6 +37,8 @@ public:
                 // segment belongs to.
   };
 
+  virtual ~WorldGraph() = default;
+
   // |isEnding| == true iff |segment| is first or last segment of the route. Needed because first and
   // last segments may need special processing.
   virtual void GetEdgeList(Segment const & segment, bool isOutgoing, bool isLeap, bool isEnding,