$OpenBSD: patch-viewer_svutil_h,v 1.2 2009/08/24 07:12:40 ajacoutot Exp $
--- viewer/svutil.h.orig	Wed Jun  3 15:01:03 2009
+++ viewer/svutil.h	Sun Aug 23 20:25:45 2009
@@ -34,6 +34,11 @@
 #else
 #include <pthread.h>
 #include <semaphore.h>
+#ifdef __OpenBSD__
+#include <unistd.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#endif
 #endif
 
 #include <string>