hg: code-tools/jtreg: fix construction of Path[].class

[jonathan.gibbons at oracle.com]

Changeset: c8d654a22434
Author:    jjg
Date:      2020-10-27 12:01 -0700
URL:       https://hg.openjdk.java.net/code-tools/jtreg/rev/c8d654a22434

fix construction of Path[].class

! src/share/classes/com/sun/javatest/regtest/agent/ModuleHelper.java