Add /etc/mail for sendmail 8.10

src/etc/mtree/4.4BSD.dist

@@ -1,4 +1,4 @@
-#	$OpenBSD: 4.4BSD.dist,v 1.85 1999/11/23 10:15:25 niklas Exp $
+#	$OpenBSD: 4.4BSD.dist,v 1.86 2000/04/05 15:18:55 millert Exp $
 
 /set type=dir uname=root gname=wheel mode=0755
 # .
@@ -69,6 +69,11 @@ kerberosIV
 # ./etc/kerberosIV
 ..
 
+# ./etc/mail
+mail
+# ./etc/mail
+..
+
 # ./etc/mtree
 mtree
 # ./etc/mtree