Without that, there is no code to deliver that value. The call to
SbxValue::Get will eventually get to the SbUnoObject containing a
css::bridge::oleautomation::Date in struct info; and there it will
find that the object's SbxValue points to itself, at which point,
it will error out from SbxValue::TheRealValue.
Change-Id: Ia08fb2a7b1bcd7292faf5a5719a4fad0054a3f5e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/190384
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>