Remove unseless null

symfony · dunglas · Jan 31, 2017 · Jan 31, 2017 · Jan 31, 2017 · Jan 31, 2017
commit 05134b6b2f16e37432843dc2ad03aab8a2c4bfeb
diff --git a/src/Symfony/Component/Asset/Preload/PreloadManager.php b/src/Symfony/Component/Asset/Preload/PreloadManager.php
@@ -42,7 +42,7 @@ public function clear()
     public function buildLinkValue()
     {
         if (!$this->resources) {
-            return null;
+            return;
         }
 
         $parts = array();