Only whitespace cosmetics and cleanups:

- consistently replace leading whitespaces with tabs to make
  the file correctly indented both with tabs=4 and tabs=8

- remove trailing whitespaces on lines to make every Make happy


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@80943 13f79535-47bb-0310-9956-ffa450edef68