fixed ESLint issue

Author: gkbishnoi07

lib/node_modules/@stdlib/stats/base/variancewd/lib/accessors.js

@@ -43,7 +43,7 @@
 *     accessors: [ accessor ]
 * };
 * var v = variancewd( x.data.length, 1, x, 1, 0 );
-* // returns 1
+* // returns 1.0
 */
 function variancewd( N, correction, x, strideX, offsetX ) {
 	var delta2;
@@ -87,6 +87,7 @@ function variancewd( N, correction, x, strideX, offsetX ) {
 	return M2 / n;
 }
 
+
 // EXPORTS //
 
 module.exports = variancewd;