[DragonFlyBSD] fix for IPv4 mapping not supported#3608

Merged

sigiesec merged 2 commits intozeromq:masterfrom hxw:master

Aug 6, 2019

+8-2

Commits on Aug 6, 2019

problem: configure for DragonFly need FreeBSD also defined
hxw
committed
problem: DragonFly BSD does not allow mapping global IPv4 addresses when IPv6 is used
hxw
committed