hg: code-tools/jcheck: 7902467: jcheck fails with mercurial 5: object of type 'branchcache' has no len()

[erik.joelsson at oracle.com]

Changeset: c5506ce082b3
Author:    erikj
Date:      2020-01-02 10:28 +0100
URL:       https://hg.openjdk.java.net/code-tools/jcheck/rev/c5506ce082b3

7902467: jcheck fails with mercurial 5: object of type 'branchcache' has no len()
Reviewed-by: erikj
Contributed-by: tim.bell at oracle.com

! jcheck.py