bug#28222: [Emacs-diffs] master fdde981 2/3: Fix cross macOS version building (bug#28222)

[Charles A. Roelli]

> Date: Tue, 29 Aug 2017 12:23:31 -0400 (EDT)
> From: alan@idiocy.org (Alan Third)
> 
> branch: master
> commit fdde98113c5d1c2d4eb5c25fa750c976d90f8555
> Author: Alan Third <alan@idiocy.org>
> Commit: Alan Third <alan@idiocy.org>
> 
>     Fix cross macOS version building (bug#28222)
>     
>     * src/macfont.h (CGContextSetFontSmoothingStyle): Function
>     declaration.
>     * src/macfont.m (macfont_draw): Limit new code to macOS 10.8 and up.

I should have mentioned this before: I tried the patch that implements
ns_use_thin_smoothing on 10.6, and it worked well.  So it seems that
the function is available after all on 10.6+.