chore: fix C lint errors

PR-URL: #9282
Closes: #9267
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: JavaTypedScript

lib/node_modules/@stdlib/stats/strided/smean/benchmark/c/benchmark.length.c

@@ -107,6 +107,7 @@ static double benchmark( int iterations, int len ) {
 	v = 0.0f;
 	t = tic();
 	for ( i = 0; i < iterations; i++ ) {
+		// cppcheck-suppress uninitvar
 		v = stdlib_strided_smean( len, x, 1 );
 		if ( v != v ) {
 			printf( "should not return NaN\n" );