t4052: Adjust --graph --stat output for prefixes
t4052: Adjust --graph --stat output for prefixes

Adjust tests to verify that the commit history graph tree is taken into
consideration when the diff stat output width is calculated.

Signed-off-by: Lucian Poston <de8c0c448f3ab222339bf4ad5e37941dfa30bc5c@gmail.com>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git