untracked-cache: be defensive about missing NULs in index

diff --git a/t/t4013/diff.diff-tree_-c_master b/t/t4013/diff.diff-tree_-c_master
index c258efe2221daa59b28f5d4f9950c3029f2f3c08..e2d2bb26114ac886fbf2467dc7a33ec8cfab5daf 100644 (file)
--- a/t/t4013/diff.diff-tree_-c_master
+++ b/t/t4013/diff.diff-tree_-c_master
@@ -1,5 +1,5 @@
 $ git diff-tree -c master
-176b998f5d647cbd77a9d8acf4531e930754d16d
+59d314ad6f356dd08601a4cd5e530381da3e3c64
 ::100644 100644 100644 cead32e925b1420c84c14cbf7cf755e7e45af8ad 7289e35bff32727c08dda207511bec138fdb9ea5 992913c5aa0a5476d10c49ed0f21fc0c6d1aedf3 MM   dir/sub
 ::100644 100644 100644 b414108e81e5091fe0974a1858b4d0d22b107f70 f4615da674c09df322d6ba8d6b21ecfb1b1ba510 10a8a9f3657f91a156b9f0184ed79a20adef9f7f MM   file0
 $