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/ipv6/route.c b/net/ipv6/route.c
index 9c57423..c3d486a 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -98,7 +98,7 @@
 
 static struct dst_ops ip6_dst_ops_template = {
 	.family			=	AF_INET6,
-	.protocol		=	__constant_htons(ETH_P_IPV6),
+	.protocol		=	cpu_to_be16(ETH_P_IPV6),
 	.gc			=	ip6_dst_gc,
 	.gc_thresh		=	1024,
 	.check			=	ip6_dst_check,
@@ -117,7 +117,7 @@
 
 static struct dst_ops ip6_dst_blackhole_ops = {
 	.family			=	AF_INET6,
-	.protocol		=	__constant_htons(ETH_P_IPV6),
+	.protocol		=	cpu_to_be16(ETH_P_IPV6),
 	.destroy		=	ip6_dst_destroy,
 	.check			=	ip6_dst_check,
 	.update_pmtu		=	ip6_rt_blackhole_update_pmtu,