iptables-multi: support "iptables-static" as a callable name

iptables multi-purpose version: unknown applet name iptables-static

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/iptables-multi.c b/iptables-multi.c
index 7ade333..28c1737 100644
--- a/iptables-multi.c
+++ b/iptables-multi.c
@@ -17,7 +17,8 @@
   } else {
     progname = basename(argv[0]);
 
-    if (!strcmp(progname, "iptables"))
+    if (!strcmp(progname, "iptables") ||
+        strcmp(progname, "iptables-static") == 0)
       return iptables_main(argc, argv);
     
     if (!strcmp(progname, "iptables-save"))