git: openjdk/jdk11u-dev: 8273341: Update Siphash to version 1.0

[Zhengyu Gu]

Changeset: 5ffd40d3
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2022-01-20 14:20:08 +0000
URL:       https://git.openjdk.java.net/jdk11u-dev/commit/5ffd40d3eb6fc1f17fcbbc2d1632f7c5c3b1a9fa

8273341: Update Siphash to version 1.0

Backport-of: 6cf4cd1aa46414d9af17f3704b27d0d381a17ee8

! src/hotspot/share/classfile/altHashing.cpp
! src/hotspot/share/classfile/altHashing.hpp