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/ipv4/route.c b/net/ipv4/route.c
index 6a9e204..5caee60 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -151,7 +151,7 @@
 
 static struct dst_ops ipv4_dst_ops = {
 	.family =		AF_INET,
-	.protocol =		__constant_htons(ETH_P_IP),
+	.protocol =		cpu_to_be16(ETH_P_IP),
 	.gc =			rt_garbage_collect,
 	.check =		ipv4_dst_check,
 	.destroy =		ipv4_dst_destroy,
@@ -2696,7 +2696,7 @@
 
 static struct dst_ops ipv4_dst_blackhole_ops = {
 	.family			=	AF_INET,
-	.protocol		=	__constant_htons(ETH_P_IP),
+	.protocol		=	cpu_to_be16(ETH_P_IP),
 	.destroy		=	ipv4_dst_destroy,
 	.check			=	ipv4_dst_check,
 	.update_pmtu		=	ipv4_rt_blackhole_update_pmtu,