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

[Andrew Cagney]

New commits:
commit 0fb762a1a69c2e5456787efea047f67b30132c03
Author: Andrew Cagney <cagney at gnu.org>
Date:   Tue Jul 24 14:00:24 2018 -0400

    ike_alg: have encrypt_has_key_bit_length(&ike_alg_encrypt_null, 0) return true
    
    i.e., for 'null' encryption consider 0 to be a valid key (like it is)
    
    Makes handling optional key lengths easier.