Update clue/buzz-react to v0.4

Author: clue

composer.json

@@ -16,7 +16,7 @@
     "require": {
         "php": ">=5.3",
         "react/event-loop": "~0.4.0|~0.3.0",
-        "clue/buzz-react": "~0.2.0",
+        "clue/buzz-react": "~0.4.0",
         "ext-simplexml": "*",
         "neitanod/forceutf8": "~1.4"
     },

tests/ClientTest.php

@@ -31,7 +31,7 @@ public function testInvalidFile()
 
     public function testFetchFile()
     {
-        $response = new Response('HTTP/1.0', 200, 'OK', null, new Body('# hello'));
+        $response = new Response('HTTP/1.0', 200, 'OK', array(), new Body('# hello'));
         $this->browser->expects($this->once())->method('get')->with($this->equalTo('http://viewvc.example.org/README.md?view=co'))->will($this->returnValue($this->createPromiseResolved($response)));
 
         $promise = $this->client->fetchFile('README.md');