typo (#114)

Introduced in https://github.com/nette/http/commit/28af265b9c5393eb344ac82cbc7a41facee9eeee

src/Http/Request.php

@@ -78,7 +78,7 @@ class Request extends Nette\Object implements IRequest
 
 	/**
 	 * Returns URL object.
-	 * @return static
+	 * @return UrlScript
 	 */
 	public function getUrl()
 	{