vlan: fix typo in vlan_dev_hard_start_xmit()

commit 4af429d29b341bb1735f04c2fb960178ed5d52e7 (vlan: lockless
transmit path) have a typo in vlan_dev_hard_start_xmit(), using
u64_stats_update_begin() to end the stat update, it should be
u64_stats_update_end().

Signed-off-by: Wei Yongjun <[e-mail]>
Reviewed-by: WANG Cong <[e-mail]>
Acked-by: Eric Dumazet <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/8021q/vlan_dev.c

···
 		u64_stats_update_begin(&stats->syncp);
 		stats->tx_packets++;
 		stats->tx_bytes += len;
-		u64_stats_update_begin(&stats->syncp);
+		u64_stats_update_end(&stats->syncp);
 	} else {
 		this_cpu_inc(vlan_dev_info(dev)->vlan_pcpu_stats->tx_dropped);
 	}