Fix C lint errors

[stdlib-bot]

C Linting Failures

Linting failures were detected in the automated lint workflow run.

Workflow Details

• Run: https://github.com/stdlib-js/stdlib/actions/runs/20251666973
• Type: C Linting
• Date: 2025-12-16 00:27:02 UTC

Error Details

lib/node_modules/@stdlib/random/base/mt19937/test/fixtures/c/runner.c:151:46: style: Parameter 'x' can be declared as pointer to const [constParameterPointer]
void ui32_to_f64( double *out, unsigned int *x, unsigned int len ) {
                                             ^
lib/node_modules/@stdlib/random/base/mt19937/test/fixtures/c/runner.c:166:46: style: Parameter 'x' can be declared as pointer to const [constParameterPointer]
void f64_to_ui32( unsigned int *out, double *x, unsigned int len ) {
                                             ^

Pull Request Instructions

• Please use the following PR title format:
  "chore: fix C lint errors (issue #<ISSUE_NUMBER>)".
• Reference this issue in the "Related Issues" section of the PR body as "resolves #<ISSUE_NUMBER>".