Quick patch for mod_proxy_fcgi to work with `flush()` (Apache httpd-2.4.10)

mod_proxy_fcgi.c.patch

--- modules/proxy/mod_proxy_fcgi.c.orig	2014-06-26 09:24:44.000000000 +0900
+++ modules/proxy/mod_proxy_fcgi.c	2014-09-09 18:19:28.102859189 +0900
@@ -690,6 +690,21 @@
                     break;
                 }
             }
+
+            if (type == AP_FCGI_STDOUT) {
+                APR_BRIGADE_INSERT_TAIL(ob, apr_bucket_flush_create(c->bucket_alloc));
+
+                rv = apr_poll(&pfd, 1, &n, 0);
+                if ((rv != APR_SUCCESS) && (pfd.rtnevents & APR_POLLIN)) {
+                    /* flush the current chunk if the next chunk has not arrived */
+                    rv = ap_pass_brigade(r->output_filters, ob);
+                    if (rv != APR_SUCCESS) {
+                        *err = "passing brigade to output filters";
+                        break;
+                    }
+                    apr_brigade_cleanup(ob);
+                }
+            }
         }
     }
 

Has this been implemented? Because mod_proxy_fcgi currently does not work with flush() (from PHP). It is driving me batty as I'm trying to use mod_proxy_fcgi as mod_fastcgi is no longer available in Ubuntu 17.04, and my original code just does not work now..