Missing fs.existsSync

[init-js]

Running on a relatively old node instance (0.6.12), I am missing fs.existsSync

/home/foo/src/jshint-mode/jshint-mode.js:69
  return filePath && fs.existsSync(filePath) ?
                        ^
TypeError: Object #<Object> has no method 'existsSync'
    at _loadAndParseConfig (/home/foo/src/jshint-mode/jshint-mode.js:69:25)
    at _getConfig (/home/foo/src/jshint-mode/jshint-mode.js:77:31)
    at /home/foo/src/jshint-mode/jshint-mode.js:93:20
    at IncomingForm.<anonymous> (/home/foo/src/jshint-mode/node_modules/formidable/lib/incoming_form.js:118:9)
    at IncomingForm.emit (events.js:67:17)
    at IncomingForm._error (/home/foo/src/jshint-mode/node_modules/formidable/lib/incoming_form.js:248:8)
    at IncomingMessage.<anonymous> (/home/foo/src/jshint-mode/node_modules/formidable/lib/incoming_form.js:104:14)
    at IncomingMessage.emit (events.js:64:17)
    at HTTPParser.onMessageComplete (http.js:137:23)
    at Socket.ondata (http.js:1410:22)

[init-js]

Quick patch for it.

diff --git a/jshint-mode.js b/jshint-mode.js
index b8c4bba..22025c8 100644
--- a/jshint-mode.js
+++ b/jshint-mode.js
@@ -14,6 +14,10 @@ var http = require('http'),
     JSLINT = require('./jslint'),
     JSHINT = require('./jshint');

+if (!fs.existsSync) {
+    fs.existsSync = require('path').existsSync;
+}
+
 var hinters = {
   jshint: JSHINT.JSHINT,
   jslint: JSLINT.JSLINT