bug#25851: 25.2; GTK warning when starting Emacs when desktop file has more than one frame

[martin rudalics]

>> But doesn't your Emacs 25 already contain the patch?
>
> No. Not if I understand correctly.
>
> _My_ Emacs 25.2.rc2 is modified so that the entire body of
> xg_set_geometry() is deleted and replaced by a call to
> gtk_window_move(). This fixes the bug and did not produce any
> adverse effects in six weeks of use (on my system at least).
>
> My Emacs 25.2 is the stock release from the tarball. I don't know
> if it contains any patch for this bug, but if it does that patch
> does not appear to work.
>
>> The only difference I made lately was to set the default value
>> of ‘x-gtk-use-window-move’ so all you have to do is to make the
>> last line of your xterm.c read
>>
>> x_gtk_use_window_move = true;
>
> The symbol `x_gtk_use_window_move' is not defined in the emacs-25
> branch, only in master.

Sorry.  I forgot to tell you to apply that change to your Emacs 25 back
then.  Please remove any changes I proposed earlier and try to apply the
attached x_gtk_use_window_move.diff to your Emacs 25.

Thanks, martin

x_gtk_use_window_move.diff
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