setupapi: add stub and some tests for SetupGetInfFileListW [resend]

[Henri Verbeet]

2009/11/10 Stefan Leichter <Stefan.Leichter at camline.com>:
> When reviewing the patch i found two line containing only spaces. But this are
> to my understanding no "whitespace errors". Can you please tell me what else
> you have seen ?
>
That counts as trailing spaces. Note that git apply warns about white
space errors by default.