maint: prefer unreachable () to NOTREACHED comment

* src/tsort.c (search_item): Use unreachable () instead of NOTREACHED.

diff --git a/src/tsort.c b/src/tsort.c
index 7aff3e29aa73e6f5553772fc2012454019e3e95a..6e39c0d13e85031bbf3cc6fa2c51d39eaa2be2a9 100644 (file)
--- a/src/tsort.c
+++ b/src/tsort.c
@@ -255,7 +255,7 @@ search_item (struct item *root, char const *str)
       p = q;
     }
 
-  /* NOTREACHED */
+  unreachable ();
 }
 
 /* Record the fact that J precedes K.  */