*: rename ATTRIBUTE_XXX to just XXX.

diff --git a/networking/libiproute/iprule.c b/networking/libiproute/iprule.c
index 2ee7701..f926078 100644
--- a/networking/libiproute/iprule.c
+++ b/networking/libiproute/iprule.c
@@ -40,8 +40,8 @@
 }
 */
 
-static int print_rule(const struct sockaddr_nl *who ATTRIBUTE_UNUSED,
-					struct nlmsghdr *n, void *arg ATTRIBUTE_UNUSED)
+static int print_rule(const struct sockaddr_nl *who UNUSED_PARAM,
+					struct nlmsghdr *n, void *arg UNUSED_PARAM)
 {
 	struct rtmsg *r = NLMSG_DATA(n);
 	int len = n->nlmsg_len;