refs.c: spell NULL pointer as NULL

diff --git a/test-match-trees.c b/test-match-trees.c
index a3c4688778d9db28c83c9149c9cff1609b69b93f..2ef725e5ff94c4db59fdc4b389ee2399854cb83b 100644 (file)
--- a/test-match-trees.c
+++ b/test-match-trees.c
@@ -12,10 +12,10 @@ int main(int ac, char **av)
                die("cannot parse %s as an object name", av[2]);
        one = parse_tree_indirect(hash1);
        if (!one)
-               die("not a treeish %s", av[1]);
+               die("not a tree-ish %s", av[1]);
        two = parse_tree_indirect(hash2);
        if (!two)
-               die("not a treeish %s", av[2]);
+               die("not a tree-ish %s", av[2]);
 
        shift_tree(one->object.sha1, two->object.sha1, shifted, -1);
        printf("shifted: %s\n", sha1_to_hex(shifted));