[horde] a mis-spelling

[Chuck Hagenbuch]

Quoting Brian Martinez <martinez_brain at hotmail.com>:

> During a translation update in Ansel:
>
> #: templates/gallery/delete_confirmation.inc:5
> msgid "Really empty this gallery and all of the phptos in it? This  
> action cannot be undone."
>
> "photos" is mis-spelled...

Fixed.

> PS.  Not trying to be a pain...just trying to help out.

Absolutely! Thanks for the report.

-chuck