Merge r1652929, r1652931 from trunk:

Fix --enable-v4-mapped configuration on *BSD. PR 53824.
Submitted by: olli hauer <ohauer gmx.de>
Committed by: ylavic

Submitted by: ylavic
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1653962 13f79535-47bb-0310-9956-ffa450edef68