hg: jdk/sandbox: 8217527: jmod hash does not work if --hash-module does not include the target module

[chris.hegarty at oracle.com]

Changeset: 0221e2923ce3
Author:    mchung
Date:      2020-07-20 11:40 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/0221e2923ce3

8217527: jmod hash does not work if --hash-module does not include the target module
Reviewed-by: alanb

! src/jdk.jlink/share/classes/jdk/tools/jmod/JmodTask.java
! src/jdk.jlink/share/classes/jdk/tools/jmod/resources/jmod.properties
! test/jdk/tools/jmod/JmodNegativeTest.java
! test/jdk/tools/jmod/hashes/HashesTest.java