bug#33452: Color of tooltip text on macOS with dark mode

[Alan Third]

On Sat, Nov 24, 2018 at 09:35:25AM +0000, Alan Third wrote:
> On Fri, Nov 23, 2018 at 11:08:18PM +0200, Eli Zaretskii wrote:
> > Thanks.  So what are out alternatives for emacs-26, besides
> > backporting from master (which will give control on colors to Lisp)?
> 
> We can try to use the system tooltip colours, but I think we’re better
> off just setting a foreground colour. Patch attached.

Pushed to emacs-26.
-- 
Alan Third