bug symfony#16676 [HttpFoundation] Workaround HHVM rewriting HTTP response line (nicolas-grekas)

This PR was merged into the 2.3 branch.

Discussion
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[HttpFoundation] Workaround HHVM rewriting HTTP response line

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | symfony#16481, symfony#9365
| License       | MIT
| Doc PR        | -

Commits
-------

5013f98 [HttpFoundation] Workaround HHVM rewriting HTTP response line

Author: nicolas-grekas

src/Symfony/Component/HttpFoundation/Response.php

@@ -268,16 +268,16 @@ public function sendHeaders()
             return $this;
         }
 
-        // status
-        header(sprintf('HTTP/%s %s %s', $this->version, $this->statusCode, $this->statusText));
-
         // headers
         foreach ($this->headers->allPreserveCase() as $name => $values) {
             foreach ($values as $value) {
                 header($name.': '.$value, false);
             }
         }
 
+        // status
+        header(sprintf('HTTP/%s %s %s', $this->version, $this->statusCode, $this->statusText), true, $this->statusCode);
+
         // cookies
         foreach ($this->headers->getCookies() as $cookie) {
             setcookie($cookie->getName(), $cookie->getValue(), $cookie->getExpiresTime(), $cookie->getPath(), $cookie->getDomain(), $cookie->isSecure(), $cookie->isHttpOnly());