When receiving http on https, send the error response with http 1.0

    
It is important that we send a proper error status, or search engines
may index the error message.
    
PR: 50823


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1328325 13f79535-47bb-0310-9956-ffa450edef68