jdorje: Fix a crash in color_system_free. Patch by ...

This is an automated notification of a change to freeciv cvs, 
on Wed Oct  5 13:21:07 PDT 2005 = Wed Oct  5 20:21:07 2005 (GMT)
by Jason Dorje Short <jdorje <at> users.sourceforge.net>

---- Files affected:

freeciv/client colors_common.c

---- Log message:
      Tag: HEAD

Fix a crash in color_system_free.

Patch by me in PR#14204.