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_rateest.c b/net/netfilter/xt_rateest.c
index 4b05ce1..220a1d5 100644
--- a/net/netfilter/xt_rateest.c
+++ b/net/netfilter/xt_rateest.c
@@ -117,10 +117,9 @@
 	return false;
 }
 
-static void xt_rateest_mt_destroy(const struct xt_match *match,
-				  void *matchinfo)
+static void xt_rateest_mt_destroy(const struct xt_mtdtor_param *par)
 {
-	struct xt_rateest_match_info *info = matchinfo;
+	struct xt_rateest_match_info *info = par->matchinfo;
 
 	xt_rateest_put(info->est1);
 	if (info->est2)