git: openjdk/jdk: 8215788: Clarify JarInputStream Manifest access

[Lance Andersen]

Changeset: 9db95edd
Author:    Lance Andersen <lancea at openjdk.org>
Date:      2022-09-28 19:22:19 +0000
URL:       https://git.openjdk.org/jdk/commit/9db95edd0133cb31358416829c942f5dcb84fc55

8215788: Clarify JarInputStream Manifest access

Reviewed-by: weijun, mullan, alanb

! src/java.base/share/classes/java/util/jar/JarInputStream.java