backport this from 2.1-dev:

fix various mispellings and style problems

  PR:            28732
  Submitted by:  Ville Skytt� <ville.skytta iki.fi>
  Reviewed by:   Jeff Trawick


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/APACHE_2_0_BRANCH@103616 13f79535-47bb-0310-9956-ffa450edef68