$NetBSD: patch-ai,v 1.2 2004/11/25 09:33:41 adam Exp $

--- libbalsa/mailbox_mh.c.orig	2004-10-30 09:35:58.000000000 +0000
+++ libbalsa/mailbox_mh.c
@@ -25,6 +25,7 @@
 #define _XOPEN_SOURCE          500
 #define _XOPEN_SOURCE_EXTENDED 1
 #define _POSIX_SOURCE          1
+#define _NETBSD_SOURCE         1
 #include <libgnome/libgnome.h>
 
 #include <unistd.h>
