jdorje: Create a new struct for city production. Us...

This is an automated notification of a change to freeciv cvs, 
on Tue Jul 26 09:35:56 PDT 2005 = Tue Jul 26 16:35:56 2005 (GMT)
by Jason Dorje Short <[email protected]>

---- Files affected:

freeciv/ai advdiplomacy.c advdomestic.c aicity.c aiferry.c
freeciv/client citydlg_common.c cityrepdata.c climisc.c mapctrl_common.c mapview_common.c packhand.c
freeciv/client/agents cma_fec.c
freeciv/client/gui-ftwl gui_text.c
freeciv/client/gui-gtk-2.0 citydlg.c cityrep.c dialogs.c repodlgs.c
freeciv/client/gui-mui citydlg.c repodlgs.c worklistclass.c
freeciv/client/gui-sdl citydlg.c cityrep.c mapview.c repodlgs.c wldlg.c
freeciv/client/gui-win32 citydlg.c repodlgs.c wldlg.c
freeciv/client/gui-xaw citydlg.c repodlgs.c wldlg.c
freeciv/common city.c city.h effects.c packets.def packets_gen.c packets_gen.h unit.c
freeciv/common/aicore caravan.c
freeciv/server cityhand.c citytools.c cityturn.c diplomats.c gamelog.c report.c savegame.c unithand.c

---- Log message:
      Tag: HEAD

Create a new struct for city production.  Use this struct inside the
city struct in place of pcity->is_building_unit and
pcity->currently_building.  The logic is unchanged as the new struct just
holds these same two values.

Patch by me in PR#13474.