*: rename ATTRIBUTE_XXX to just XXX.

diff --git a/procps/fuser.c b/procps/fuser.c
index 55f7917..8afa958 100644
--- a/procps/fuser.c
+++ b/procps/fuser.c
@@ -269,7 +269,7 @@
 }
 
 int fuser_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int fuser_main(int argc ATTRIBUTE_UNUSED, char **argv)
+int fuser_main(int argc UNUSED_PARAM, char **argv)
 {
 	pid_list *plist;
 	inode_list *ilist;