$NetBSD: patch-ad,v 1.1.1.1 2011/12/02 05:25:12 agc Exp $

Add a missing definition

--- if.c	2011/12/02 01:37:24	1.1
+++ if.c	2011/12/02 01:41:17
@@ -30,6 +30,9 @@
 #	include <sys/types.h>
 #	include <sys/socket.h>
 #	include <netdb.h>		/* _GNU_SOURCE for EAI_NODATA */
+#	ifndef AI_ADDRCONFIG
+#		define AI_ADDRCONFIG  0x20
+#	endif
 #endif
 #include <impl/i18n.h>
 #include <impl/framework.h>