[SNMP]: Add definitions for {In,Out}BcastPkts

The updated IP-MIB RFC (RFC4293) specifys new objects, InBcastPkts
and OutBcastPkts. This adds definitions for them.
Signed-off-by: NMitsuru Chinen <mitch@linux.vnet.ibm.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/linux/snmp.h

@@ -40,6 +40,8 @@ enum
 	IPSTATS_MIB_FRAGCREATES,		/* FragCreates */
 	IPSTATS_MIB_INMCASTPKTS,		/* InMcastPkts */
 	IPSTATS_MIB_OUTMCASTPKTS,		/* OutMcastPkts */
+	IPSTATS_MIB_INBCASTPKTS,		/* InBcastPkts */
+	IPSTATS_MIB_OUTBCASTPKTS,		/* OutBcastPkts */
 	__IPSTATS_MIB_MAX
 };