route.c and ifconfig.c: Added rtems style mains.

Fixed route.c to match freebsd version with only rtems additions.

freebsd-userspace/commands/sbin/ifconfig/ifconfig.c

@@ -156,8 +156,13 @@ usage(void)
 	exit(1);
 }
 
+#ifdef __rtems__
+int
+main_ifconfig(int argc, char *argv[])
+#else
 int
 main(int argc, char *argv[])
+#endif
 {
 	int c, all, namesonly, downonly, uponly;
 	const struct afswtch *afp = NULL;

freebsd-userspace/commands/sbin/route/route.c

@@ -132,8 +132,12 @@ usage(cp)
 	/* NOTREACHED */
 }
 
+#ifdef __rtems__
 int
-route_main(argc, argv)
+main_route(argc, argv)
+#else
+main(argc, argv)
+#endif
 	int argc;
 	char **argv;
 {