Integrated: build: update to JDK 15.0.1

[Erik Helin]

On Tue, 8 Dec 2020 14:51:18 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this patch that updates the JDK used for building Skara to 15.0.1.
> 
> Testing:
> - [x] `make images`
> - [x] `make test`
> 
> Thanks,
> Erik

This pull request has now been integrated.

Changeset: 8cce2b56
Author:    Erik Helin <ehelin at openjdk.org>
URL:       https://git.openjdk.java.net/skara/commit/8cce2b56
Stats:     16 lines in 5 files changed: 0 ins; 0 del; 16 mod

build: update to JDK 15.0.1

Reviewed-by: rwestberg

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PR: https://git.openjdk.java.net/skara/pull/969