Update NEWS for PHP 7.1.22

The brigade seems to end up in a messed up state if something fails
in shutdown, so we clean it up.

NEWS

@@ -1,12 +1,15 @@
 PHP                                                                        NEWS
 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
-?? ??? ????, PHP 7.1.22
+13 Sep 2018, PHP 7.1.22
 
 - Core:
   . Fixed bug #76754 (parent private constant in extends class memory leak).
     (Laruence)
   . Fixed bug #72443 (Generate enabled extension). (petk)
 
+- Apache2:
+  . Fixed bug #76582 (Apache bucket brigade sometimes becomes invalid). (stas)
+
 - Bz2:
   . Fixed arginfo for bzcompress. (Tyson Andre)
 

sapi/apache2handler/sapi_apache2.c

@@ -723,6 +723,7 @@ zend_first_try {
 	if (!parent_req) {
 		php_apache_request_dtor(r);
 		ctx->request_processed = 1;
+		apr_brigade_cleanup(brigade);
 		bucket = apr_bucket_eos_create(r->connection->bucket_alloc);
 		APR_BRIGADE_INSERT_TAIL(brigade, bucket);