RFR: 8301267: Update of config.guess broke build on WSL

[Tim Bell]

On Fri, 27 Jan 2023 21:11:00 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

> After JDK-8300805, config.guess has changed output when running on WSL. This is caused by the autoconf-config.guess now reporting  it as `x86_64-pc-linux-gnu` instead of `x86_64-unknown-linux-gnu`, and our wrapper script is expecting the latter.
> 
> This patch makes the wrapper script worth with either variant.

Marked as reviewed by tbell (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/12268