fix typo

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1469400 13f79535-47bb-0310-9956-ffa450edef68
Add mod_macro syntax to the highlighter

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1469401 13f79535-47bb-0310-9956-ffa450edef68