tests: fix scanner private-code test reference data

Commit e501230d "scanner: Fix broken
private-code generation" changed the scanner output without updating the
reference output for scanner tests.

Update the reference data. This fixes 'make check'.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Derek Foreman <derekf@osg.samsung.com>