suppress warnings about easch <applet>_main() having

no preceding prototype

networking/ifconfig.c

@@ -261,6 +261,7 @@ static int in_ether(const char *bufp, struct sockaddr *sap);
  * Our main function.
  */
 
+int ifconfig_main(int argc, char **argv);
 int ifconfig_main(int argc, char **argv)
 {
 	struct ifreq ifr;