t4017 (diff-retval): replace manual exit code check with test_expect_code

diff --git a/reachable.c b/reachable.c
index b515fa2de332cc570a8a32861bd8d6491b61133e..a03fabf060081e9fa5e0d753cd0d9cf4bca5062e 100644 (file)
--- a/reachable.c
+++ b/reachable.c
@@ -90,7 +90,7 @@ static void walk_commit_list(struct rev_info *revs)
 {
        int i;
        struct commit *commit;
-       struct object_array objects = { 0, 0, NULL };
+       struct object_array objects = OBJECT_ARRAY_INIT;
 
        /* Walk all commits, process their trees */
        while ((commit = get_revision(revs)) != NULL)