The ajp subdirectory does not exist so we don't need it in the includes.

The mod_proxy_ajp.dsp also refers to source files in .\ajp but that looks to
be a generate file; someone with the right have to arrange it.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104713 13f79535-47bb-0310-9956-ffa450edef68