*: rename ATTRIBUTE_XXX to just XXX.

diff --git a/selinux/matchpathcon.c b/selinux/matchpathcon.c
index e0b374a..5cfd52a 100644
--- a/selinux/matchpathcon.c
+++ b/selinux/matchpathcon.c
@@ -30,7 +30,7 @@
 #define OPT_VERIFY      (1<<4)  /* -V */
 
 int matchpathcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int matchpathcon_main(int argc ATTRIBUTE_UNUSED, char **argv)
+int matchpathcon_main(int argc UNUSED_PARAM, char **argv)
 {
 	int error = 0;
 	unsigned opts;