From c9ba8373e271fb3c966fb59813c21ca8c575354d Mon Sep 17 00:00:00 2001
From: Michal 'vorner' Vaner <michal.vaner@nic.cz>
Date: Sat, 20 Oct 2012 15:11:43 +0200
Subject: [PATCH] Add a virtual destructor

To fix compilation.
---
 src/lib/datasrc/memory/zone_writer.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/lib/datasrc/memory/zone_writer.h b/src/lib/datasrc/memory/zone_writer.h
index fe8dc2ae93..0e8f285fff 100644
--- a/src/lib/datasrc/memory/zone_writer.h
+++ b/src/lib/datasrc/memory/zone_writer.h
@@ -37,6 +37,9 @@ namespace memory {
 /// (how to achieve that may be implementation dependant).
 class ZoneWriter {
 public:
+    /// \brief Virtual destructor.
+    virtual ~ZoneWriter() {};
+
     /// \brief Get the zone data into memory.
     ///
     /// This is the part that does the time-consuming loading into the memory.