bonding: Fixup get_tx_queue() op second arg type.

I missed this when fixing up the warning in the previous commit.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 53ee6a0..bb92899 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4820,7 +4820,7 @@
 	return 0;
 }
 
-static int bond_get_tx_queues(struct net *net, const struct nlattr *tb[])
+static int bond_get_tx_queues(struct net *net, struct nlattr *tb[])
 {
 	return tx_queues;
 }