chore: fix C lint errors (issue #8136)

[GeoDaoyu]

Resolves #8136.

Description

What is the purpose of this pull request?

This pull request:

• fix C lint errors

Related Issues

Does this pull request have any related issues?

This pull request:

• resolves Fix C lint errors #8136

Questions

Any questions for reviewers of this pull request?

No.

Other

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No.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

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[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
number/float32/base/significand	$\color{green}181/181$ $\color{green}+100.00\%$	$\color{green}5/5$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}181/181$ $\color{green}+100.00\%$

The above coverage report was generated for the changes in this PR.