* modules/proxy/proxy_http.c (ap_proxy_http_process_response): Use the

standard non-blocking-read/flush/blocking-read logic to ensure that
buffered content is flushed to the client if the next read will block.

PR: 19954


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@105751 13f79535-47bb-0310-9956-ffa450edef68