[Freeciv-Dev] Minor cleanup for aitech.c

[Marko Lindqvist <caz@xxxxxxxxx>]

 Use Tech_Type_id instead of int where appropriate. Initialize some
variables with A_NONE instead of 0.

 Some iterations through only real techs instead of all techs; start from
A_FIRST instead of A_NONE. Where done, this makes more logical sense (for
me, at least) and breaks nothing.


 Caz

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aitech_cleanup.diff
Description: Text document