net: replace uses of __constant_{endian}

Base versions handle constant folding now.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index cf0e184..12bf7d4 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -2113,7 +2113,7 @@
 extern int dn_route_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
 
 static struct packet_type dn_dix_packet_type = {
-	.type =		__constant_htons(ETH_P_DNA_RT),
+	.type =		cpu_to_be16(ETH_P_DNA_RT),
 	.dev =		NULL,		/* All devices */
 	.func =		dn_route_rcv,
 };