$NetBSD: patch-aa,v 1.2 2012/05/06 20:00:24 wiz Exp $

Recognize DragonFly BSD.

--- configure.ac.orig	2012-01-04 00:45:20.000000000 +0000
+++ configure.ac
@@ -62,7 +62,7 @@ case $host_os in
     IS_LINUX="yes"
     ;;
 
-  freebsd* | kfreebsd-gnu* | netbsd* | openbsd*)
+  freebsd* | kfreebsd-gnu* | netbsd* | openbsd* | dragonfly*)
     IS_BSD="yes"
     ;;
 
