9888 cw shouldn't use __unused

@@ -483,11 +483,11 @@
         }
 }
 
 /* ARGSUSED */
 static void
-Xamode(struct aelist __unused *h)
+Xamode(struct aelist *h __attribute__((__unused__)))
 {
 }
 
 static void
 Xsmode(struct aelist *h)