Merge r1706942 from trunk:

fix parameter name in ap_log_rdata C99 macro def.  
Via  PR57045


Submitted by: covener
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1706984 13f79535-47bb-0310-9956-ffa450edef68