docs: fix C lint errors

PR-URL: #5408
Closes: #5359

Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: Neerajpathak07

lib/node_modules/@stdlib/math/base/special/nonfibonacci/src/addon.c

@@ -19,4 +19,5 @@
 #include "stdlib/math/base/special/nonfibonacci.h"
 #include "stdlib/math/base/napi/unary.h"
 
+// cppcheck-suppress shadowFunction
 STDLIB_MATH_BASE_NAPI_MODULE_I_D( stdlib_base_nonfibonacci )

lib/node_modules/@stdlib/stats/base/dvarm/examples/c/example.c

@@ -22,7 +22,7 @@
 
 int main( void ) {
 	// Create a strided array:
-	double x[] = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 };
+	const double x[] = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 };
 
 	// Specify the number of elements:
 	int64_t N = 4;

lib/node_modules/@stdlib/stats/base/svariance/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_svariance( len, 1.0f, x, 1 );
 		if ( v != v ) {
 			printf( "should not return NaN\n" );