*: rename ATTRIBUTE_XXX to just XXX.

diff --git a/debianutils/mktemp.c b/debianutils/mktemp.c
index c48b6e2..0dcb1e8 100644
--- a/debianutils/mktemp.c
+++ b/debianutils/mktemp.c
@@ -35,7 +35,7 @@
 #include "libbb.h"
 
 int mktemp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int mktemp_main(int argc ATTRIBUTE_UNUSED, char **argv)
+int mktemp_main(int argc UNUSED_PARAM, char **argv)
 {
 	const char *path;
 	char *chp;