netfilter: add dummy members to Ebtables code to ease transition to Xtables

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/net/bridge/netfilter/ebt_among.c b/net/bridge/netfilter/ebt_among.c
index bfdc67b..568c890 100644
--- a/net/bridge/netfilter/ebt_among.c
+++ b/net/bridge/netfilter/ebt_among.c
@@ -211,6 +211,8 @@
 
 static struct ebt_match filter_among __read_mostly = {
 	.name		= EBT_AMONG_MATCH,
+	.revision	= 0,
+	.family		= NFPROTO_BRIDGE,
 	.match		= ebt_filter_among,
 	.check		= ebt_among_check,
 	.matchsize	= -1, /* special case */