[LyX/master] Yet another deprecation fix (this is the last one I am aware of)

[Jean-Marc Lasgouttes]

Le 12/03/2021 à 12:11, Juergen Spitzmueller a écrit :
> commit 9f92fc92bdd41c367b0975454a01c15403d51a60
> Author: Juergen Spitzmueller <spitz at lyx.org>
> Date:   Fri Mar 12 12:14:42 2021 +0100
> 
>      Yet another deprecation fix (this is the last one I am aware of)

It would be nice to backport all these fixes to 2.3.x. I thought Scott 
was going to do it for his own changes, but I did not see that happen yet.

JMarc