Make HildonPickerButton support portrait mode
Make HildonPickerButton support portrait mode

Fixes: NB#155502 (HildonPickerDialog doesn't support portrait mode)

archlinuxarm-n900/libhildon,community-ssu/hildon,community-ssu/hildon,community-ssu/hildon,archlinuxarm-n900/libhildon,archlinuxarm-n900/libhildon