Fixes the build for 2.x

[shatejas]

This was merged https://github.com/opensearch-project/k-NN/pull/2021

Description

The PR was merged before I got a chance to fix it so creating another PR

Check List

• [x] New functionality includes testing.
• [ ] New functionality has been documented.
• [ ] API changes companion pull request created.
• [x] Commits are signed per the DCO using --signoff.
• [ ] Public documentation issue/PR created.

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