[COMMIT] Use GC_EXTERNAL_LIST_LOOP_* where appropriate, fns.c

[Raymond Toy]

>>>>> "Aidan" == Aidan Kehoe <kehoea at parhasard.net> writes:

    Aidan>  Ar an ceathrú lá de mí Aibréan, scríobh Raymond Toy: 

    >> I can provide a full lisp and C backtrace now if you want it.  I'm
    >> going to poke around a bit later to see if there's anything obvious to
    >> the untrained user.

    Aidan> Please do, but use the Mercurial tip if you can, there was a problem with
    Aidan> the version of the patch I posted.

Ok.  I pulled in the tip and rebuilt.  It doesn't crash anymore.

So, I'll use this version as my working version and see how that goes.

Ray