Add try-with-resources to close stream

[MeTPP]

Closes Issue gh-9041

[pivotal-issuemaster]

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[MeTPP]

@pivotal-issuemaster This is an Obvious Fix

[pivotal-issuemaster]

@MeTPP This Pull Request contains an obvious fix. Signing the Contributor License Agreement is not necessary.

[jzheaux]

Thanks for the PR, @MeTPP! Will you please amend the commit message to say "Closes gh-9041" instead of "Issue gh-9041"? In this way, GitHub will automatically close the related issue when this PR is merged.

[MeTPP]

Thanks. I edited my commit comment and force-pushed

[jzheaux]

Thanks, @MeTPP! This is now merged into master.