diff -ruN openmcu_v2_2_1.bak/filemembers.h openmcu_v2_2_1/filemembers.h
--- filemembers.h      2006-08-02 02:24:53.000000000 -0400
+++ filemembers.h      2008-03-05 22:08:52.000000000 -0500
@@ -84,6 +84,7 @@
 #include <opalwavfile.h>
 #include "conference.h"

+#include <queue>

 class ConferenceSoundCardMember : public ConferenceMember
 {