hg: code-tools/webrev: 7902158: webrev doesn't handle moved files correctly

[jonathan.gibbons at oracle.com]

Changeset: a6f5faf6bf32
Author:    jjg
Date:      2018-04-19 11:28 -0700
URL:       http://hg.openjdk.java.net/code-tools/webrev/rev/a6f5faf6bf32

7902158: webrev doesn't handle moved files correctly
Reviewed-by: ihse, dfuchs, jjg
Contributed-by: gerard.ziemski at oracle.com

! webrev.ksh