cmdlgtst: Rename to dialogtest

[Dmitry Timoshkov]

"Detlef Riekenberg" <wine.dev at web.de> wrote:

> Windows has a lot more Dialogs in shell32, user32, kernel32 and various
> other dlls.
> 
> This is only a rename, the only code that changed is the name of the
> debug-channel.

IMHO it's better to remove programs/cmdlgtst altogether, it doesn't really
test anything, and this is not a place for tests anyway.

-- 
Dmitry.