bug#14096: 24.3; fit-window-to-buffer regression

[martin rudalics]

> On 24.3, fit-window-to-buffer no longer respects window-min-height.
>
> 1. Make two window on a frame with one stacked on top of another
> 2. Make a new buffer in one of the window, type any word
> 3. M-x fit-window-to-buffer
>
> You should see the new buffer shrunk to 1 line while window-min-height
> is 4.

Should be fixed now. Please have a look.

Thanks, martin