chore: fix C lint errors

Author: gkbishnoi07

lib/node_modules/@stdlib/stats/base/dsnanmean/benchmark/c/benchmark.length.c

@@ -96,7 +96,7 @@ static float rand_float( void ) {
 */
 static double benchmark( int iterations, int len ) {
 	double elapsed;
-	float x[ len ] = {0};  /* Initialize array to silence warning */
+	float x[ len ]
 	double v;
 	double t;
 	int i;
@@ -107,6 +107,7 @@ static double benchmark( int iterations, int len ) {
 	v = 0.0;
 	t = tic();
 	for ( i = 0; i < iterations; i++ ) {
+		// cppcheck-suppress uninitvar
 		v = stdlib_strided_dsnanmean( len, x, 1 );
 		if ( v != v ) {
 			printf( "should not return NaN\n" );