fix: linting error

Author: aayush0325

lib/node_modules/@stdlib/math/base/special/ahavercosf/benchmark/c/benchmark.c

@@ -90,8 +90,8 @@ static float rand_float( void ) {
 */
 static double benchmark( void ) {
 	double elapsed;
-	double x;
-	double y;
+	float x;
+	float y;
 	double t;
 	int i;