RFR: 8257208: Fix typo in doc/building.md

[Hollow Man]

On Sat, 21 Nov 2020 14:28:23 GMT, Hollow Man <github.com+43995067+HollowMan6 at openjdk.org> wrote:

> overriden -> overridden

> Hi @HollowMan6!
> 
> Thank you for submitting this PR. As the contribution docs state, you need a sponsor for this PR. I'll be your sponsor.
> 
> I have opened a bug issue for this fix: https://bugs.openjdk.java.net/browse/JDK-8257208
> 
> Please update the PR title to `8257208: Fix typo in doc/building.md`.

@magicus Done! Thanks.

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PR: https://git.openjdk.java.net/jdk/pull/1365