t/Makefile: check helper scripts for non-portable shell commands too

diff --git a/t/t4013/diff.diff-tree_--cc_--stat_master b/t/t4013/diff.diff-tree_--cc_--stat_master
index 8d5bdc985adc5e0b240da279c172e341bf546ef3..40b91796b34a1f22b51414d48c76152b4dc881ca 100644 (file)
--- a/t/t4013/diff.diff-tree_--cc_--stat_master
+++ b/t/t4013/diff.diff-tree_--cc_--stat_master
@@ -1,6 +1,6 @@
 $ git diff-tree --cc --stat master
-176b998f5d647cbd77a9d8acf4531e930754d16d
- dir/sub |    2 ++
- file0   |    3 +++
- 2 files changed, 5 insertions(+), 0 deletions(-)
+59d314ad6f356dd08601a4cd5e530381da3e3c64
+ dir/sub | 2 ++
+ file0   | 3 +++
+ 2 files changed, 5 insertions(+)
 $