[PATCH setup] Make sure that fatal error messages are visible

[Jon Turney]

On 19/12/2017 00:53, Ken Brown wrote:
> The message box produced by TOPLEVEL_CATCH could be hidden by whatever
> window was previously being displayed, so that setup appeared to hang.
> Fix this by giving fatal error message boxes type MB_SETFOREGROUND.

This is good as far as it goes, but is kind of working around the fact 
that fatal() is being called with an NULL owner HWND.

This is not idea because I guess it means that propsheet window is still 
activate-able when this messagebox is displayed (MB_APPMODAL doesn't apply)?

> ---
>   msg.cc | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/msg.cc b/msg.cc
> index 403e78a..0ba4839 100644
> --- a/msg.cc
> +++ b/msg.cc
> @@ -83,7 +83,7 @@ fatal (HWND owner, int id, ...)
>   {
>     va_list args;
>     va_start (args, id);
> -  mbox (owner, "fatal", 0, id, args);
> +  mbox (owner, "fatal", MB_SETFOREGROUND, id, args);
>     Logger ().exit (1);
>   }
>