Update parser.js

Fixes parsing of empty style tags.
And fixed a big bug that was there.
yes typo. i was searching for getcss.... and i typed outside search box, i
noticed it after doing PR, i hoped you would not :)
 Il 27/set/2014 14:54 "Juriy Zaytsev" <notifications@github.com> ha scritto:

> In src/parser.js:
>
> > @@ -454,7 +454,7 @@
> >        return;
> >      }
> >      // default is to preserve aspect ratio
> > -    // preserveAspectRatio attribute to be implemented
> > +    // preserveAspectRatio attribute to be implementedge
>
> Typo?
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/kangax/fabric.js/pull/1703/files#r18123454>.
>