RFR: 8338626: ClassLoaderExt::process_jar_manifest() should allow / separator on Windows [v4]

[Ioi Lam]

On Thu, 12 Sep 2024 15:42:43 GMT, Calvin Cheung <ccheung at openjdk.org> wrote:

>> On Windows, we can use '/' as the file separator in the classpath but not in the `Class-Path:` attribute.
>> This patch is to enable the use of '/' as the file separator in the `Class-Path:`attribute on Windows.
>> 
>> Passed tiers 1 - 3 testing.
>
> Calvin Cheung has updated the pull request incrementally with one additional commit since the last revision:
> 
>   update comment in the testcase

LGTM

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Marked as reviewed by iklam (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/20924#pullrequestreview-2302099207