--- viewer/svutil.cpp.orig	2009-09-22 21:32:59 +0000

+++ viewer/svutil.cpp	2009-09-22 21:35:44 +0000

@@ -43,6 +43,7 @@

 #endif

 #include <iostream>

+#include <cstdio>

 const int kBufferSize = 65536;

 const int kMaxMsgSize = 4096;