git: openjdk/jdk22: 8323159: Consider adding some text re. memory zeroing in Arena::allocate

[Per Minborg]

Changeset: 887a93b7
Author:    Per Minborg <pminborg at openjdk.org>
Date:      2024-01-17 10:35:43 +0000
URL:       https://git.openjdk.org/jdk22/commit/887a93b7c949308b83d4feba714682e8962a3556

8323159: Consider adding some text re. memory zeroing in Arena::allocate
8323745: Missing comma in copyright header in TestScope

Reviewed-by: mcimadamore, alanb
Backport-of: f5b757ced6b672010ea10575d644d3f9d1728923

! src/java.base/share/classes/java/lang/foreign/Arena.java
! test/jdk/java/foreign/TestScope.java