Index: altq_cbq.c
===================================================================
RCS file: /usr/store/mlaier/fcvs/src/sys/contrib/altq/altq/altq_cbq.c,v
retrieving revision 1.2
diff -u -r1.2 altq_cbq.c
--- altq_cbq.c	12 Jun 2004 00:57:20 -0000	1.2
+++ altq_cbq.c	2 Aug 2004 10:15:25 -0000
@@ -43,6 +43,10 @@
 #ifdef ALTQ_CBQ	/* cbq is enabled by ALTQ_CBQ option in opt_altq.h */
 
 #include <sys/param.h>
+#if defined(__FreeBSD__) && __FreeBSD_version > 500000
+#include <sys/lock.h>
+#include <sys/mutex.h>
+#endif
 #include <sys/malloc.h>
 #include <sys/mbuf.h>
 #include <sys/socket.h>