bonding: force cast of IP address in options

The option code is taking IP address and putting it into a generic
container. Force cast to silence sparse warnings.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index 20659b1..f847e16 100644
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -199,7 +199,7 @@
 		nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
 			__be32 target = nla_get_be32(attr);
 
-			bond_opt_initval(&newval, target);
+			bond_opt_initval(&newval, (__force u64)target);
 			err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS,
 					     &newval);
 			if (err)