bugfix

ooh badnews; I broke it. Here's the fix.

```
2013-07-14T05:11:24.127437+00:00 app[web.1]: TypeError: Cannot call method 'getTime' of undefined
2013-07-14T05:11:24.127437+00:00 app[web.1]:     at /app/routes/api/jobs.js:245:72
2013-07-14T05:11:24.127437+00:00 app[web.1]:     at Promise.<anonymous> (/app/node_modules/step/lib/step.js:116:22)
2013-07-14T05:11:24.127437+00:00 app[web.1]:     at next (/app/node_modules/step/lib/step.js:51:23)
2013-07-14T05:11:24.127437+00:00 app[web.1]:     at /app/node_modules/step/lib/step.js:83:14
2013-07-14T05:11:24.127627+00:00 app[web.1]:     at Promise.emit (/app/node_modules/mongoose/node_modules/mpromise/lib/promise.js:79:38)
```