gtk unit stack size display
Implement unit stack size display also to gtk-clients (currently only in Qt-client).
As part of #43200, this has also been posted to http://forum.freeciv.org/f/viewtopic.php?f=14&t=92053
Implement unit stack size display also to gtk-clients (currently only in Qt-client).
As part of #43200, this has also been posted to http://forum.freeciv.org/f/viewtopic.php?f=14&t=92053