advpack: Implement RunSetupCommand on top of DoInfInstall.

[Marcelo Duarte]

Markus Amsler escreveu:
> ChangeLog:
> Implement RunSetupCommand on top of DoInfInstall.
You forgot to remove "stub":
> +    TRACE("(%p, %s, %s, %s, %s, %p, 0x%08lx, %p): stub\n",
>             hWnd, debugstr_a(szCmdName), debugstr_a(szInfSection),
>             debugstr_a(szDir), debugstr_a(lpszTitle),
>             phEXE, dwFlags, pvReserved);
>