[NETFILTER]: bridge netfilter: use non-deprecated __RW_LOCK_UNLOCKED macro.

Signed-off-by: Robert P. J. Day <[e-mail]>
Signed-off-by: Patrick McHardy <[e-mail]>

net/bridge/netfilter/ebtable_broute.c

···
 	.name		= "broute",
 	.table		= &initial_table,
 	.valid_hooks	= 1 << NF_BR_BROUTING,
-	.lock		= RW_LOCK_UNLOCKED,
+	.lock		= __RW_LOCK_UNLOCKED(broute_table.lock),
 	.check		= check,
 	.me		= THIS_MODULE,
 };

net/bridge/netfilter/ebtable_filter.c

···
 	.name		= "filter",
 	.table		= &initial_table,
 	.valid_hooks	= FILTER_VALID_HOOKS,
-	.lock		= RW_LOCK_UNLOCKED,
+	.lock		= __RW_LOCK_UNLOCKED(frame_filter.lock),
 	.check		= check,
 	.me		= THIS_MODULE,
 };

net/bridge/netfilter/ebtable_nat.c

···
 	.name		= "nat",
 	.table		= &initial_table,
 	.valid_hooks	= NAT_VALID_HOOKS,
-	.lock		= RW_LOCK_UNLOCKED,
+	.lock		= __RW_LOCK_UNLOCKED(frame_nat.lock),
 	.check		= check,
 	.me		= THIS_MODULE,
 };