$NetBSD$

--- viewer/svutil.cpp~	2009-06-03 16:29:38.000000000 +0000
+++ viewer/svutil.cpp
@@ -33,6 +33,7 @@
 #include <pthread.h>
 #include <semaphore.h>
 #include <signal.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <netdb.h>
