[4/5] gdi32: Embolden width direction only if ppem <= 50. (resend)

[Huw Davies]

On Fri, Nov 06, 2015 at 09:25:11PM +0900, Akihiro Sagawa wrote:
> 
> In other words, avoid increasing the thickness of height direction if
> the size is small. This prevents distorting fonts as in Bug 34884.
> This feature requires newer FreeType library (2.4.10 and/or later).

What does Windows do here?  Does it really have a cutoff at 50 ppem?
I suspect we should always just stretch in the x-direction irrespective
of the ppem (at least in the case where we have FT_Outline_EmboldenXY).

Huw.