Added -d and -t short options to getopt_long() call.
diff --git a/iptables-save.c b/iptables-save.c
index c25e636..e57cd7c 100644
--- a/iptables-save.c
+++ b/iptables-save.c
@@ -320,7 +320,7 @@
 	init_extensions();
 #endif
 
-	while ((c = getopt_long(argc, argv, "bc", options, NULL)) != -1) {
+	while ((c = getopt_long(argc, argv, "bcdt:", options, NULL)) != -1) {
 		switch (c) {
 		case 'b':
 			binary = 1;