--- tests/perf/memperf.c.orig	2005-10-21 11:59:44.000000000 +1000
+++ tests/perf/memperf.c	2013-09-23 23:59:35.000000000 +1000
@@ -1,4 +1,5 @@
 #include "libut/ut.h"
+#include <stdio.h>
 #include <stdlib.h>
 
 #define MEM_TMR_INTERVAL 250