Merge r1563418 from trunk:

Add %{CONN_REMOTE_ADDR} to mod_rewrite. PR56094

Submitted By: Edward Lu <Chaosed0 gmail com>
Committed By: covener

Submitted by: covener
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1566702 13f79535-47bb-0310-9956-ffa450edef68