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

[D. Hugh Redelmeier]

New commits:
commit 50912bf3e95b0981b878b55100b181ef5f27d1fc
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Tue Aug 13 14:04:04 2019 -0400

    library: fix bug in 33da1c2fbb3cf728213137df27ff7fba33bc47f6
    
    In addrinsubnet(), correct one != to be ==.
    Detected by Cagney.