untracked-cache: be defensive about missing NULs in index

diff --git a/t/t4013/diff.diff-tree_--pretty_--root_--summary_initial b/t/t4013/diff.diff-tree_--pretty_--root_--summary_initial
index ea48205537b60376b1fab346effb82548d48954e..58e5f74aeae880c69776bfa8e51bc9e5fe2463cf 100644 (file)
--- a/t/t4013/diff.diff-tree_--pretty_--root_--summary_initial
+++ b/t/t4013/diff.diff-tree_--pretty_--root_--summary_initial
@@ -5,7 +5,7 @@ Date:   Mon Jun 26 00:00:00 2006 +0000
 
     Initial
 
- create mode 040000 dir
+ create mode 100644 dir/sub
  create mode 100644 file0
  create mode 100644 file2
 $