bug#27427: 26.0.50; Native line numbers lead to display error in company-mode popup

[Eli Zaretskii]

> Date: Sun, 25 Jun 2017 18:05:54 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: alexanderm@web.de, 27427@debbugs.gnu.org
> 
> > > The displayed line number reflects the line of the buffer positions
> > > corresponding to what's on that screen line.  If none of the buffer
> > > positions appear on that screen line, it's the line of the buffer
> > > position(s) "covered" by the display string/overlay which generates
> > > the display.
> > 
> > It didn't look like this in the previous version. Might be considered a 
> > bit annoying, repeating the number several times.
> 
> It wasn't supposed to be repeated, it was supposed to appear only
> once.  Hmm... I think I see what causes this, let me try to come up
> with a fix.

Should be fixed now.