RFR: 8321802: (zipfs) Add validation of incorrect LOC signature in ZipFileSystem

[Alan Bateman]

On Mon, 11 Dec 2023 15:38:28 GMT, Eirik Bjorsnos <duke at openjdk.org> wrote:

> Please review this PR which adds validation of incorrect LOC signatures in `ZipFileSystem`.
> 
> `ZipFile` already rejects the case where the  offset pointed to from the CEN header does not start with the expected LOC signature. It makes sense to add this check to `ZipFileSystem` as well.

Marked as reviewed by alanb (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/17059#pullrequestreview-1776849857