fix jshint error in lib/index.js

Author: booo

lib/index.js

@@ -92,7 +92,8 @@ module.exports = new PG(Client);
 //lazy require native module...the native module may not have installed
 module.exports.__defineGetter__("native", function() {
   delete module.exports.native;
-  return (module.exports.native = new PG(require(__dirname + '/native')));
+  module.exports.native = new PG(require(__dirname + '/native'));
+  return module.exports.native;
 });
 
 module.exports.types = require('./types');