git: openjdk/jdk: 8308347: [s390x] build broken after JDK-8304913

[Roger Riggs]

Changeset: a58e0ca9
Author:    Amit Kumar <amitkumar at openjdk.org>
Committer: Roger Riggs <rriggs at openjdk.org>
Date:      2023-05-18 13:51:34 +0000
URL:       https://git.openjdk.org/jdk/commit/a58e0ca9d263807d7bfc0090b01bc71bff7c92db

8308347: [s390x]  build broken after JDK-8304913

Reviewed-by: stuefe, rriggs

! src/jdk.jlink/share/classes/jdk/tools/jlink/internal/Platform.java