Merge r1510842 from trunk:

* remove "... and port" references added in http://svn.apache.org/viewvc?rev=1208753&view=rev 
while trying to account for mod_remoteip.

* mention mod_remote_ip for %a too.




git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1510844 13f79535-47bb-0310-9956-ffa450edef68