$OpenBSD: patch-src_contact_h,v 1.2 2012/04/05 09:08:12 jasper Exp $
--- src/contact.h.orig	Wed Apr  4 19:54:31 2012
+++ src/contact.h	Wed Apr  4 19:55:29 2012
@@ -40,6 +40,7 @@
 /* Winsock makes some inappropriately-namespaced definitions */
 #undef interface
 #else
+#include <sys/socket.h>
 #include <netinet/in.h>
 #endif
 
