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/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index cf754ac..3953ac4 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -107,7 +107,7 @@
 
 static struct dst_ops fake_dst_ops = {
 	.family =		AF_INET,
-	.protocol =		__constant_htons(ETH_P_IP),
+	.protocol =		cpu_to_be16(ETH_P_IP),
 	.update_pmtu =		fake_update_pmtu,
 	.entries =		ATOMIC_INIT(0),
 };