[horde] Patch for problem-template

[Chuck Hagenbuch]

Quoting Oliver Kuhl <okuhl at netcologne.de>:

> I had errors with the form validation. Here comes the fix for the
> submit-button
> in templates/problem/problem.inc:
> 
>     onclick="validate();"
> should be:
>     onclick="return validate();"

Committed, thanks.

-chuck

--
Charles Hagenbuch, <chuck at horde.org>
"... It is not more light we need, but more warmth! We die of cold, not of
darkness. It is not the night that kills, but the frost." - Miguel de Unamuno