Merge branch '3.4'

* 3.4:
  fixing build error

Author: weaverryan

assetic/_standard_edition_warning.rst.inc

@@ -1,5 +1,5 @@
 .. caution::
 
     Starting from Symfony 2.8, Assetic is no longer included by default in the
-    Symfony Standard Edition. Refer to :doc:`this article </assetic/asset_management>`
+    Symfony Standard Edition. Refer to :doc:`this article </frontend/assetic/asset_management>`
     to learn how to install and enable Assetic in your Symfony application.