iptables: remove more redundant casts

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/iptables-restore.c b/iptables-restore.c
index cd23cfa..e2d1859 100644
--- a/iptables-restore.c
+++ b/iptables-restore.c
@@ -83,9 +83,7 @@
 	unsigned long long pcnt, bcnt;
 	int ret;
 
-	ret = sscanf(string, "[%llu:%llu]",
-		     (unsigned long long *)&pcnt,
-		     (unsigned long long *)&bcnt);
+	ret = sscanf(string, "[%llu:%llu]", &pcnt, &bcnt);
 	ctr->pcnt = pcnt;
 	ctr->bcnt = bcnt;
 	return ret == 2;