suppress warnings about easch <applet>_main() having
no preceding prototype
diff --git a/networking/arping.c b/networking/arping.c
index 7bab0d0..20c782f 100644
--- a/networking/arping.c
+++ b/networking/arping.c
@@ -238,6 +238,7 @@
 	return 1;
 }
 
+int arping_main(int argc, char **argv);
 int arping_main(int argc, char **argv)
 {
 	const char *device = "eth0";