jdorje: Turn MAP_TILES from a #defined constant into...

This is an automated notification of a change to freeciv cvs, 
on Sat Jun 12 20:57:05 PDT 2004 = Sun Jun 13 03:57:05 2004 (GMT)
by Jason Dorje Short <jshort@xxxxxxxxxxxxxx>

---- Files affected:

freeciv/common city.c city.h
freeciv/common/aicore cm.c

---- Log message:
      Tag: HEAD

Turn MAP_TILES from a #defined constant into a variable.  It is now
calculated when the topology is set.

Patch by me in PR#8952.