Index: src/sound/AudioCache.h
===================================================================
--- src/sound/AudioCache.h.orig	2010-01-05 16:41:33.000000000 +0200
+++ src/sound/AudioCache.h	2010-12-17 01:16:27.000000000 +0200
@@ -17,6 +17,7 @@
 #define _AUDIO_CACHE_H_
 
 #include <map>
+#include <stddef.h>
 
 namespace Rosegarden
 {