When going up past the topmost item in the listbox, go through txtbackup
first before wrapping around, just like when going down. This matches
Windows behavior.
Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>