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/8021q/vlan.c b/net/8021q/vlan.c
index 41e8f65..4163ea6 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -52,7 +52,7 @@
 static const char vlan_buggyright[] = "David S. Miller <davem@redhat.com>";
 
 static struct packet_type vlan_packet_type = {
-	.type = __constant_htons(ETH_P_8021Q),
+	.type = cpu_to_be16(ETH_P_8021Q),
 	.func = vlan_skb_recv, /* VLAN receive method */
 };