netfilter: xtables: move extension arguments into compound structure (5/6)

This patch does this for target extensions' checkentry functions.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/net/ipv4/netfilter/arpt_mangle.c b/net/ipv4/netfilter/arpt_mangle.c
index 0bf81b3..b0d5b1d 100644
--- a/net/ipv4/netfilter/arpt_mangle.c
+++ b/net/ipv4/netfilter/arpt_mangle.c
@@ -54,11 +54,9 @@
 	return mangle->target;
 }
 
-static bool
-checkentry(const char *tablename, const void *e, const struct xt_target *target,
-	   void *targinfo, unsigned int hook_mask)
+static bool checkentry(const struct xt_tgchk_param *par)
 {
-	const struct arpt_mangle *mangle = targinfo;
+	const struct arpt_mangle *mangle = par->targinfo;
 
 	if (mangle->flags & ~ARPT_MANGLE_MASK ||
 	    !(mangle->flags & ARPT_MANGLE_MASK))