netxen: Fix vhdr_len in case of non vlan packets.

o Set vlan header length to zero.
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c

@@ -1620,7 +1620,7 @@ netxen_process_lro(struct netxen_adapter *adapter,
 	int index;
 	u16 lro_length, length, data_offset;
 	u32 seq_number;
-	u8 vhdr_len;
+	u8 vhdr_len = 0;
 
 	if (unlikely(ring > adapter->max_rds_rings))
 		return NULL;