RFR: Fix typo in property name for GitLab commitMetadata

[Erik Helin]

On Wed, 17 Jun 2020 16:52:13 GMT, Robin Westberg <rwestberg at openjdk.org> wrote:

> Hi all,
> 
> Please review this minor fix that corrects a property name in the GitLab commitMetadata function.
> 
> Best regards,
> Robin

Looks good!

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Marked as reviewed by ehelin (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/673