net: bridge: mcast: drop sizeof for nest attribute's zero size

This was a dumb error I made instead of writing nla_total_size(0)
for a nest attribute, I wrote nla_total_size(sizeof(0)).
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 606433fe3e11 ("net: bridge: mcast: dump ipv4 querier state")
Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/bridge/br_multicast.c

@@ -2928,7 +2928,7 @@ __br_multicast_get_querier_port(struct net_bridge *br,
 
 size_t br_multicast_querier_state_size(void)
 {
-	return nla_total_size(sizeof(0)) +      /* nest attribute */
+	return nla_total_size(0) +		/* nest attribute */
 	       nla_total_size(sizeof(__be32)) + /* BRIDGE_QUERIER_IP_ADDRESS */
 	       nla_total_size(sizeof(int)) +    /* BRIDGE_QUERIER_IP_PORT */
 	       nla_total_size_64bit(sizeof(u64)); /* BRIDGE_QUERIER_IP_OTHER_TIMER */