diff -r 5dc02b23752f -r 3e2da88830cd src/multimedia/video/qabstractvideobuffer_p.h
--- a/src/multimedia/video/qabstractvideobuffer_p.h	Tue Jul 06 15:10:48 2010 +0300
+++ b/src/multimedia/video/qabstractvideobuffer_p.h	Wed Aug 18 10:37:55 2010 +0300
@@ -65,6 +65,9 @@
         : handleType(QAbstractVideoBuffer::NoHandle)
     {}
 
+    virtual ~QAbstractVideoBufferPrivate()
+    {}
+
     QAbstractVideoBuffer::HandleType handleType;
 };