Do not stop the whole conversion if we encounter $$files(..., true).
Ignore the 2nd parameter for now.
Change-Id: If9334ce9719b98c33716dc7f18ba8aede05fe8b1
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Qt CMake Build Bot