reword changelog

actix-http/CHANGES.md

@@ -1,8 +1,8 @@
 # Changes
 
 ## Unreleased - 2021-xx-xx
-### Removed
+### Changes
-* `header::map::GetAll` iterator, its `Iterator::size_hint` method was wrongly implemented. Replaced with `std::slice::Iter`. [#2527]
+* `HeaderMap::get_all` now returns a `std::slice::Iter`. [#2527]
 
 [#2527]: https://github.com/actix/actix-web/pull/2527
 

src/app_service.rs

@@ -221,6 +221,7 @@ where
                 req_data,
             )
         };
+
         self.service.call(ServiceRequest::new(req, payload))
     }
 }