[Freeciv-Dev] (PR#6897) leak in ai_diplomacy_suggest

["Benoit Hudson" <bh@xxxxxxxxxxxxxxxxxxx>]

<URL: http://rt.freeciv.org/Ticket/Display.html?id=6897 >

> [i-freeciv-lists@xxxxxxxxxxxxx - Wed Nov 19 11:46:37 2003]:
> What about the client? I have the feeling something similar had to be
> done to the close_diplomacy_dialog functions?

Possibly, but that function (at least in the gtk2 client) doesn't seem
to be the place where we free the dialog: diplomacy_destroy is.  I don't
have the patience to fix every client in this respect, but here's a
lightly tested patch for gtk2 (I met with someone, added a clause, then
cancelled, and it correctly called treaty_clear) and a totally untested
patch for gtk.

treaty_gtk2.patch
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treaty_gtk.patch
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