$NetBSD: patch-aj,v 1.2 2006/03/19 22:10:38 joerg Exp $

--- src/mail.c.orig	2005-05-24 03:38:10.000000000 +0000
+++ src/mail.c
@@ -33,7 +33,7 @@
 
 #include	"pixmaps/mail/decal_mail.xpm"
 
-#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
+#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
 #define HAVE_MD5_H
 #endif
 
@@ -1317,7 +1317,7 @@ check_mh_dir(Mailbox *mbox)
 	while ((name = (gchar *) g_dir_read_name(dir)) != NULL)
 		{
 		/* Files starting with a digit are messages. */
-		if (isdigit(name[0]))
+		if (isdigit((unsigned char)name[0]))
 			mbox->mail_count++;
 		}
 	g_dir_close(dir);