From 7582c7e97c2af8e1512ed98b493b68535649ee40 Mon Sep 17 00:00:00 2001
From: Kevin Moore <kevmoo@google.com>
Date: Fri, 16 Sep 2016 13:22:14 -0700
Subject: [PATCH] small fix to make analyzer happy

R=nbosch@google.com

Review URL: https://codereview.chromium.org//2344893007 .
---
 lib/shelf_io.dart | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/shelf_io.dart b/lib/shelf_io.dart
index 49910894..58fbd74f 100644
--- a/lib/shelf_io.dart
+++ b/lib/shelf_io.dart
@@ -116,8 +116,8 @@ Request _fromHttpRequest(HttpRequest request) {
     headers[k] = v.join(',');
   });
 
-  onHijack(callback) {
-    return request.response
+  void onHijack(callback) {
+    request.response
         .detachSocket(writeHeaders: false)
         .then((socket) => callback(socket, socket));
   }