netfilter: xtables: move extension arguments into compound structure (3/6)

This patch does this for match extensions' destroy functions.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c
index f04c46a..5cd58d7 100644
--- a/net/netfilter/xt_conntrack.c
+++ b/net/netfilter/xt_conntrack.c
@@ -288,10 +288,9 @@
 	return true;
 }
 
-static void
-conntrack_mt_destroy(const struct xt_match *match, void *matchinfo)
+static void conntrack_mt_destroy(const struct xt_mtdtor_param *par)
 {
-	nf_ct_l3proto_module_put(match->family);
+	nf_ct_l3proto_module_put(par->match->family);
 }
 
 #ifdef CONFIG_COMPAT