Fix metrics exec

bench/precompile-size.js

@@ -3,7 +3,7 @@ var _ = require('underscore'),
 
 module.exports = function(grunt, callback) {
   // Deferring to here in case we have a build for parser, etc as part of this grunt exec
-  var Handlebars = require('../lib/handlebars');
+  var Handlebars = require('../lib');
 
   var templateSizes = {};
   _.each(templates, function(info, template) {

bench/throughput.js

@@ -114,7 +114,7 @@ function makeSuite(bench, name, template, handlebarsOnly) {
 
 module.exports = function(grunt, callback) {
   // Deferring load incase we are being run inline with the grunt build
-  Handlebars = require('../lib/handlebars');
+  Handlebars = require('../lib');
 
   console.log('Execution Throughput');
   runner(grunt, makeSuite, function(times, scaled) {