suppress warnings about easch <applet>_main() having
no preceding prototype
diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index 834c7fa..ce3b9ba 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -1083,6 +1083,7 @@
 	return NULL;
 }
 
+int ifupdown_main(int argc, char **argv);
 int ifupdown_main(int argc, char **argv)
 {
 	int (*cmds)(struct interface_defn_t *) = NULL;