$NetBSD: patch-az,v 1.2 2015/12/29 18:17:04 dholland Exp $

Handle Dragonfly like FreeBSD.

--- System/Common/c_header.h.orig	2006-01-11 22:04:22.000000000 +0000
+++ System/Common/c_header.h
@@ -40,7 +40,7 @@
 # include <unistd.h>
 #endif
 
-#if !defined(__NeXT__) && !defined(__EMX__) && !defined(__NetBSD__) && !defined(__FreeBSD__) && !defined(__CYGWIN32__)
+#if !defined(__NeXT__) && !defined(__EMX__) && !defined(__NetBSD__) && !defined(__FreeBSD__) && !defined(__CYGWIN32__) && !defined(__DragonFly__)
 #  include <values.h>
 #endif