$NetBSD: patch-ae,v 1.1 2007/10/02 19:03:12 agc Exp $

--- src/AudioData.h	2007/10/01 22:02:55	1.1
+++ src/AudioData.h	2007/10/01 21:59:44
@@ -41,6 +41,7 @@
 
 	virtual void read (BinaryIO* io, UWORD32 n = NoLimit) = 0 ;
 	virtual void write (BinaryIO* io, UWORD32 n = NoLimit) = 0 ;
+	virtual ~AudioData() {}
 } ;
 
 /**