net: bnx2x_cmn.c needs net/ip6_checksum.h for csum_ipv6_magic

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bnx2x/bnx2x_cmn.c

@@ -19,6 +19,7 @@
 #include <linux/etherdevice.h>
 #include <linux/ip.h>
 #include <linux/ipv6.h>
+#include <net/ip6_checksum.h>
 #include "bnx2x_cmn.h"
 
 #ifdef BCM_VLAN