[Swan-commit] Changes to ref refs/heads/master

[D. Hugh Redelmeier]

New commits:
commit ab9a5f852b0bf62932da156101f4ac7c2fb9f09a
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Sat Jun 16 00:14:57 2018 -0400

    pluto: remove useless things from ikev1.h
    
    - unused: ikev1_ship_ca_chain,
    	enum key_oppo_step,
    	key_tail_fn