From 244c63f72a8ec6aededda40723bf61b7f32bf277 Mon Sep 17 00:00:00 2001
From: Liang Jian <jianliang79@gmail.com>
Date: Tue, 1 Apr 2014 14:41:30 +0800
Subject: Fix memory leak in SampleGrabberCallback

Add virtual destructor to SampleGrabberCallback to let it properly
destruct its subclass when calling 'detete this'

Change-Id: I5f74f82314e22225a0a153c7f4bca531a79dd8f9
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>
---
 src/plugins/wmf/samplegrabber.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/wmf/samplegrabber.h b/src/plugins/wmf/samplegrabber.h
index 7a5c2260b..63cb5fa62 100644
--- a/src/plugins/wmf/samplegrabber.h
+++ b/src/plugins/wmf/samplegrabber.h
@@ -72,6 +72,9 @@ public:
 protected:
     SampleGrabberCallback() : m_cRef(1) {}
 
+public:
+    virtual ~SampleGrabberCallback() {}
+
 private:
     long m_cRef;
 };
-- 
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