Fixed a build issue.
Fixed a build issue.

Applyed patch from https://github.com/bitcoin/bitcoin/commit/3498a8d018fa02de17e1f9c4cda49f4c7edb3c6c#diff-7cec5704a9b80e0db0bdc569395a7e8f2584356138b37b6a70ff30ba38224516

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