jdorje: Backport: - In handle_unit_load, look at non...

This is an automated notification of a change to freeciv cvs, 
on Wed Nov 17 08:26:46 PST 2004 = Wed Nov 17 16:26:46 2004 (GMT)
by Jason Dorje Short <jdorje@xxxxxxxxxxx>

---- Files affected:

freeciv/ai aiferry.c
freeciv/server unithand.c

---- Log message:
      Tag: S2_0

Backport:
- In handle_unit_load, look at non-owned units to find the transporter too.
- Don't try to load a unit onto a ferry if !can_unit_load.  Previously only
  a positional check was done.  This should fix some of the transported_by
  AI assertions.

Reported by Marko Lindqvist <marko.lindqvist@xxxxxxxxxxx> and others in
PR#10437.  Patch by me.