*: rename ATTRIBUTE_XXX to just XXX.

diff --git a/networking/route.c b/networking/route.c
index 0146fa0..f467ed3 100644
--- a/networking/route.c
+++ b/networking/route.c
@@ -641,7 +641,7 @@
 ;
 
 int route_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int route_main(int argc ATTRIBUTE_UNUSED, char **argv)
+int route_main(int argc UNUSED_PARAM, char **argv)
 {
 	unsigned opt;
 	int what;