bridge: Fix error path in nbp_vlan_init

Fix error path order in nbp_vlan_init, so if switchdev_port_attr_set
call failes, the vlan_hash wouldn't be destroyed before inited.

Fixes: efa5356b0d97 ("bridge: per vlan dst_metadata netlink support")
CC: Roopa Prabhu <[e-mail]>
Signed-off-by: Yotam Gigi <[e-mail]>
Acked-by: Roopa Prabhu <[e-mail]>
Reviewed-by: Jiri Pirko <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/bridge/br_vlan.c

···
 	RCU_INIT_POINTER(p->vlgrp, NULL);
 	synchronize_rcu();
 	vlan_tunnel_deinit(vg);
-err_vlan_enabled:
 err_tunnel_init:
 	rhashtable_destroy(&vg->vlan_hash);
 err_rhtbl:
+err_vlan_enabled:
 	kfree(vg);
 
 	goto out;