git: openjdk/jdk: 8297875: jar should not compress the manifest directory entry

[Liam Miller-Cushon]

Changeset: e846b043
Author:    Liam Miller-Cushon <cushon at openjdk.org>
Date:      2022-12-01 22:07:57 +0000
URL:       https://git.openjdk.org/jdk/commit/e846b0438ca12f457ee763fed3a435d3a863c383

8297875: jar should not compress the manifest directory entry

Reviewed-by: lancea

! src/jdk.jartool/share/classes/sun/tools/jar/Main.java
+ test/jdk/tools/jar/ManifestDirectoryCompression.java