Fix some minor formatting issues with ab. Part of this is
     in reference to PR 8544, the rest I noticed while testing
     the PR fix. [Paul J. Reder]

Submitted By: Carlo Marcelo Arenas Belon
Reviewed By:  Paul J. Reder


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@94898 13f79535-47bb-0310-9956-ffa450edef68