Fix syscall warning in Bazel Build

[ArthurBandaryk]

This commit resolves #717 issue.

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[ArthurBandaryk]

@googlebot I signed it!

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[drigz]

Thanks for the PR!

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[sergiud]

Could you please enable -Werror for Bazel CI builds?

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[ArthurBandaryk]

@googlebot I signed it!

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[ArthurBandaryk]

@googlebot I signed it!

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[drigz]

@ArthurBandaryk I'm not seeing a CLA signed for your GitHub username, is it possible you signed with a different username?

[ArthurBandaryk]

@googlebot I signed it!

[sergiud]

Not sure about changes to indentation but otherwise LGTM.

[drigz]

Indentation changes are an improvement, probably just due to misconfiguration of my editor :) Thanks!