bug#16425: 24.3.50; Regression: mouse-face not working

[Eli Zaretskii]

> From: David Reitter <david.reitter@gmail.com>
> Date: Sun, 12 Jan 2014 13:31:31 -0500
> 
> Emacs -Q
> (insert (propertize "text text" 'mouse-face '(:background "red")))
> 
> Now however over the inserted text with the mouse.
> 
> It should be highlighted in red, but nothing happens.
> Worked fine in Emacs 23, and earlier versions of 24.

Could this be NS version of bug #15913?  Could you (or someone with
access to NS) please try a similar fix as was done in revisions 115130
and 115281?