Compilefix for d8e110002d8cab2c1be3d8f930b67f3e158c3fb4

it didn't use the new interfaces exposed by Qt Wayland Scanner

Change-Id: If7056933f6d9560220619de5ab82f3ae751e6baa
Reviewed-by: Andrew Knight <andrew.knight@digia.com>
Reviewed-by: Andy Nichols <andy.nichols@digia.com>