hg: code-tools/jcheck: 7902486: jcheck still fails with walkchangerevs() takes exactly 4 arguments (5 given)

[jonathan.gibbons at oracle.com]

Changeset: 3f30d0fbf215
Author:    jjg
Date:      2019-07-08 16:10 -0700
URL:       http://hg.openjdk.java.net/code-tools/jcheck/rev/3f30d0fbf215

7902486: jcheck still fails with walkchangerevs() takes exactly 4 arguments (5 given)
Reviewed-by: jjg
Contributed-by: mikael.vidstedt at oracle.com

! jcheck.py