hmi-controller: fix leak of ivi surface list

get_surfaces_on_layer() allocates memory and stores the pointer to
'ivisurfs'. But it was not freed.

Signed-off-by: Wataru Natsume <WATARU_NATSUME@xddp.denso.co.jp>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
1 file changed