fix: correct BigInt import

Author: aryan7071

lib/node_modules/@stdlib/bigint/ctor/examples/index.js

@@ -19,8 +19,8 @@
 'use strict';
 
 var hasBigIntSupport = require( '@stdlib/assert/has-bigint-support' );
-var BigInt = require( '@stdlib/bigint/ctor' ); // eslint-disable-line stdlib/no-builtin-big-int 
- 
+var BigInt = require( '@stdlib/bigint/ctor' ); // eslint-disable-line stdlib/no-builtin-big-int
+
 var v;
 
 if ( hasBigIntSupport() ) {