Fix 'iptables -p !' bug (segfault when `!' used without argument)
diff --git a/extensions/libipt_REJECT.c b/extensions/libipt_REJECT.c
index 4316958..2403bef 100644
--- a/extensions/libipt_REJECT.c
+++ b/extensions/libipt_REJECT.c
@@ -97,7 +97,7 @@
 
 	switch(c) {
 	case '1':
-		if (check_inverse(optarg, &invert))
+		if (check_inverse(optarg, &invert, NULL, 0))
 			exit_error(PARAMETER_PROBLEM,
 				   "Unexpected `!' after --reject-with");
 		for (i = 0; i < limit; i++) {