rollback r1.76 since it may break some tools

noticed / requested by claudio@
discussed with henning / claudio / me

src/etc/services

@@ -1,4 +1,4 @@
-#	$OpenBSD: services,v 1.77 2012/03/21 01:08:14 gsoares Exp $
+#	$OpenBSD: services,v 1.78 2012/03/23 15:32:31 gsoares Exp $
 #
 # Network services, Internet style
 #
@@ -289,3 +289,10 @@ spamd-sync	8025/udp		# spamd(8) synchronisation
 spamd-cfg	8026/tcp		# spamd(8) configuration
 dhcpd-sync	8067/udp		# dhcpd(8) synchronisation
 hunt		26740/udp		# hunt(6)
+#
+# Appletalk
+#
+rtmp		1/ddp			# Routing Table Maintenance Protocol
+nbp		2/ddp			# Name Binding Protocol
+echo		4/ddp			# AppleTalk Echo Protocol
+zip		6/ddp			# Zone Information Protocol