[Freeciv-Dev] BUGFIX: Upgrading units (PR#677)

[Joona Kiiski <zamar@xxxxxxxxxxxxxx>]

You can no longer upgrade units which are in allied cities.
That was possible by using (Reports-units-upgrade) (in menus).

This is only a quick fix(CVS jan-24), but it should work.

by the way, I have nothing against it that you could upgrade your units
in allied cities, but then

a) "update unit"-command should be added in orders menu

b) Game should check whether your ally has necessary technology to
do the upgrade!

c) Perhaps ask his/her permission to do that??

--
Zamar

fix_upgrade_stuff.diff
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