update standard (#85)

this repo is used in the standard test suite, so it helps if it uses the latest standard :)

Author: feross

package.json

@@ -18,7 +18,7 @@
   ],
   "devDependencies": {
     "rimraf": "^2.6.3",
-    "standard": "^12.0.1",
+    "standard": "^13.0.1",
     "tape": "^4.9.2"
   },
   "scripts": {

test/index.js

@@ -197,7 +197,7 @@ test('specific entries', function (t) {
   var a = path.join(__dirname, 'fixtures', 'd')
   var b = path.join(__dirname, 'fixtures', 'copy', 'd-entries')
 
-  var entries = [ 'file1', 'sub-files/file3', 'sub-dir' ]
+  var entries = ['file1', 'sub-files/file3', 'sub-dir']
 
   rimraf.sync(b)
   tar.pack(a, { entries: entries })