ANDROID: xt_quota2: set usersize in xt_match registration object

Expicitly set what is visible to userspace

Bug: 196046570
Test: passed netd test suites
Signed-off-by: Todd Kjos <tkjos@google.com>
Change-Id: Iacec0ef8ae290e01f1b60508d8abcd40a3653c83

net/netfilter/xt_quota2.c

diff --git a/net/netfilter/xt_quota2.c b/net/netfilter/xt_quota2.c
index 81ce67e..641e36e 100644
--- a/net/netfilter/xt_quota2.c
+++ b/net/netfilter/xt_quota2.c
@@ -343,6 +343,7 @@ static struct xt_match quota_mt2_reg[] __read_mostly = {
 		.match      = quota_mt2,
 		.destroy    = quota_mt2_destroy,
 		.matchsize  = sizeof(struct xt_quota_mtinfo2),
+		.usersize   = offsetof(struct xt_quota_mtinfo2, master),
 		.me         = THIS_MODULE,
 	},
 	{
@@ -353,6 +354,7 @@ static struct xt_match quota_mt2_reg[] __read_mostly = {
 		.match      = quota_mt2,
 		.destroy    = quota_mt2_destroy,
 		.matchsize  = sizeof(struct xt_quota_mtinfo2),
+		.usersize   = offsetof(struct xt_quota_mtinfo2, master),
 		.me         = THIS_MODULE,
 	},
 };