bug#24332: 25.1; pop-to-buffer error: (wrong-type-argument window-live-p nil)

[martin rudalics]

> pop-to-buffer assumes display-buffer always return a window and
> (select-window window norecord) but it can cause error like this (due to
> (allow-no-window . t)):
>
> Debugger entered--Lisp error: (wrong-type-argument window-live-p nil)
>    select-window(nil nil)
>    pop-to-buffer("*compile*" t nil)
>    switch-to-buffer-other-window("*compile*")
>    ido-visit-buffer("*compile*" other-window t)
>    ido-buffer-internal(other-window switch-to-buffer-other-window)
>    ido-switch-buffer-other-window()
>    funcall-interactively(ido-switch-buffer-other-window)
>    call-interactively(ido-switch-buffer-other-window nil nil)
>    command-execute(ido-switch-buffer-other-window)

I pushed a fix to master.  Please have a look (around, maybe).

Thank you, martin