chore: fix C lint errors #6132

[Eternity0207]

Resolves a part of #6132 .

Description

What is the purpose of this pull request?

This pull request:

• Fixes the linting failures that were detected in the automated lint workflow run.
> lib/node_modules/@stdlib/strided/base/dmskmap/examples/c/example.c:31:9
> lib/node_modules/@stdlib/strided/base/dmskmap/examples/c/example.c:34:10
> lib/node_modules/@stdlib/stats/base/smeanors/benchmark/c/benchmark.length.c:110:37

Related Issues

Does this pull request have any related issues?

This pull request:

• Fixes Fix C lint errors #6132.

Questions

Any questions for reviewers of this pull request?

No.

Other

Any other information relevant to this pull request? This may include screenshots, references, and/or implementation notes.

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
stats/base/smeanors	$\color{green}373/373$ $\color{green}+100.00\%$	$\color{green}24/24$ $\color{green}+100.00\%$	$\color{green}4/4$ $\color{green}+100.00\%$	$\color{green}373/373$ $\color{green}+100.00\%$
strided/base/dmskmap	$\color{green}224/224$ $\color{green}+100.00\%$	$\color{green}10/10$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}224/224$ $\color{green}+100.00\%$

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