input-panel: Fix show_input_panel_surface crash when no surface has focus

Signed-off-by: Nicolas Guyomard <nicolas.guyomard@open.eurogiciel.org>
Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
1 file changed