hg: code-tools/jcheck: 7901950: jcheck does not work with Mercurial 4.1

[jonathan.gibbons at oracle.com]

Changeset: 023cbafe1425
Author:    jjg
Date:      2017-08-21 14:51 -0700
URL:       http://hg.openjdk.java.net/code-tools/jcheck/rev/023cbafe1425

7901950: jcheck does not work with Mercurial 4.1
Contributed-By: erik.joelsson at oracle.com
Reviewed-By: magnus.ihse.bursie at oracle.com

! jcheck.py
! jcheck_test.py