set correct http status code

Was intended to respond with a 303 (See other) status code instead of 307 (Temporary Redirect).

lib/public/appframework/http/redirectresponse.php

@@ -44,7 +44,7 @@ class RedirectResponse extends Response {
 	 */
 	public function __construct($redirectURL) {
 		$this->redirectURL = $redirectURL;
-		$this->setStatus(Http::STATUS_TEMPORARY_REDIRECT);
+		$this->setStatus(Http::STATUS_SEE_OTHER);
 		$this->addHeader('Location', $redirectURL);
 	}