Fabian Maurer : comctl32/taskdialog: Move TaskDialogIndirect and its tests into own source files.

[Fabian Maurer]

Is there a reason you changed that copyright notice from
"Copyright 2017 Fabian Maurer for the Wine project"
to
"Copyright 2017 Fabian Maurer"
only in one place?
If you wanted that "for the Wine project" part removed, I don't mind that, but 
I figured you'd do it at both places then.

Regards,
Fabian Maurer