[mythtv] [PATCH] mythtv: fix AspectOverride setting

[Mark Edwards]

> This patch fixes the AspectOverride setting. Initially i just wanted to
> add the 16:9 Stretch option to the settings screen, but the setting was
> being ignored.
>
> It replaces the existing AspectOverride() logic with the one from
> ToggleLetterbox(). Note that the values of the db setting 'AspectOverride'
> change as well, but imho all it will cause is some confusion among
> users after an upgrade.
>
> It should go into cvs if Mark Edwards agrees.
>
> Oh, and please ignore the two hunks about OSDFadeTime.

No complaints from me, donno anything about the OSD stuff tho.

Mark