Sync protocols 43 (ipv6-route) & 44 (ipv6-frag) names with IANA database.

ok henning@, bluhm@

src/etc/protocols

@@ -1,7 +1,7 @@
 #
 # Internet (IP) protocols
 #
-#	$OpenBSD: protocols,v 1.22 2009/10/04 16:08:37 michele Exp $
+#	$OpenBSD: protocols,v 1.23 2011/09/08 19:30:29 matthieu Exp $
 #
 # Updated based on RFC 1340, Assigned Numbers (July 1992).
 # See also http://www.iana.org/assignments/protocol-numbers
@@ -49,8 +49,8 @@ tp++	39	TP++		# TP++ Transport Protocol
 il	40	IL		# IL Transport Protocol
 ipv6	41	IPv6		# Internet Protocol version 6
 sdrp	42	SDRP		# Source Demand Routing Protocol
-sip-sr	43	SIP-SR		# SIP Source Route
-sip-frag 44	SIP-FRAG	# SIP Fragment
+ipv6-route 43	IPv6-Route	# Routing Header for IPv6
+ipv6-frag 44	IPv6-Frag	# Fragment Header for IPv6
 idrp	45	IDRP		# Inter-Domain Routing Protocol
 rsvp	46	RSVP		# Reservation Protocol
 gre	47	GRE		# General Routing Encapsulation