bnx2: Use proper CONFIG_VLAN_8021Q to compile the VLAN code.

Signed-off-by: Michael Chan <[e-mail]>
Signed-off-by: Benjamin Li <[e-mail]>
Signed-off-by: Matt Carlson <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/bnx2.c

···
 #include <linux/time.h>
 #include <linux/ethtool.h>
 #include <linux/mii.h>
-#ifdef NETIF_F_HW_VLAN_TX
+#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
 #include <linux/if_vlan.h>
 #define BCM_VLAN 1
 #endif
···
 		vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
 	}
 
+#ifdef BCM_VLAN
 	if (bp->vlgrp && vlan_tx_tag_present(skb)) {
 		vlan_tag_flags |=
 			(TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
 	}
+#endif
 	if ((mss = skb_shinfo(skb)->gso_size)) {
 		u32 tcp_opt_len, ip_tcp_len;
 		struct iphdr *iph;