[PATCH] Disallow downloading disabled snapshot formats

[Jason A. Donenfeld]

On Fri, Jan 10, 2014 at 3:38 PM, Lukas Fleischer <cgit at cryptocrack.de> wrote:
> We did only display enabled snapshot formats but we did not prevent from
> downloading disabled formats when requested. Fix this by adding an
> appropriate check.

Previously:
http://lists.zx2c4.com/pipermail/cgit/2012-June/000641.html
http://lists.zx2c4.com/pipermail/cgit/2012-October/000792.html