don't log bogus rv

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1583007 13f79535-47bb-0310-9956-ffa450edef68
s/comment/self-documenting/

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1583008 13f79535-47bb-0310-9956-ffa450edef68