pkg/shelf: formatted code

lib/src/middleware.dart

Index: lib/src/middleware.dart
diff --git a/lib/src/middleware.dart b/lib/src/middleware.dart
index b81b70d7ed85e384723920702690573dc66e0281..dcd984ba5b80ca76f83c2a3d6c48961b71fa409e 100644
--- a/lib/src/middleware.dart
+++ b/lib/src/middleware.dart
@@ -67,8 +67,8 @@ Middleware createMiddleware({requestHandler(Request request),
       return syncFuture(() => requestHandler(request)).then((response) {
         if (response != null) return response;
 
-        return syncFuture(() => innerHandler(request))
-            .then((response) => responseHandler(response), onError: onError);
+        return syncFuture(() => innerHandler(request)).then(
+            (response) => responseHandler(response), onError: onError);
       });
     };
   };