$OpenBSD: patch-mono_metadata_mono-route_h,v 1.1 2017/02/03 15:26:12 naddy Exp $
--- mono/metadata/mono-route.h.orig	Wed Nov  2 14:40:30 2016
+++ mono/metadata/mono-route.h	Fri Feb  3 16:08:29 2017
@@ -4,6 +4,7 @@
 #if defined(PLATFORM_MACOSX) || defined(PLATFORM_BSD)
 
 #include <sys/socket.h>
+#include <netinet/in.h>		/* in_addr_t */
 
 #if defined (HOST_IOS) || defined (HOST_WATCHOS) || defined (HOST_APPLETVOS)
 // The iOS SDK does not provide the net/route.h header but using the Darwin version works fine.
