[Integrated] [foreign-memaccess] RFR: Fix bad use of MemorySegment::spliterator in TestSharedAccess

[Maurizio Cimadamore]

Changeset: 1652f8fd
Author:    Maurizio Cimadamore <mcimadamore at openjdk.org>
Date:      2020-04-22 11:28:40 +0000
URL:       https://git.openjdk.java.net/panama-foreign/commit/1652f8fd

Fix bad use of MemorySegment::spliterator in TestSharedAccess

Reviewed-by: jvernee

! test/jdk/java/foreign/TestSharedAccess.java