[ansel] Patch for user pref image type

[Chuck Hagenbuch]

Quoting "Heath S. Hendrickson" <heath at outerspaceconsultants.com>:

> As it's set up now, the only choices listed are both available in IM and
> GD.

... *IF*, and ONLY if, you've compiled it in. That's far from guaranteed.

Also, the fact that ansel works currently makes your argument about needing JPEG
support bull.

I agree with Ben that a conf option makes sense, but definitely not a
preference.

-chuck

--
Charles Hagenbuch, <chuck at horde.org>
"Here, I brought some cole slaw. It's made from peeeooople! Just kidding."