[crossfire] arch.c badly named functions

[Mark Wedel]

tchize wrote:
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> Hello
> While writing arch check code, i noticed this.
> 
> There are a few functions in arch.c which are named
> get_archetype_xxxxxx but in fact return a new object of that archetype
> using arch_to_object. I plan to rename those create_object_xxxxxx,
> which i think is more suitable. Any objection?

  Not by me.