Merge pull request #866 from Romain-Geissler/fix-xml-html

Fix xhtml <link> tag closure.

Resources/views/standard_layout.html.twig

@@ -26,11 +26,11 @@ file that was distributed with this source code.
             <!-- jQuery code -->
             <link rel="stylesheet" href="{{ asset('bundles/sonatajquery/themes/flick/jquery-ui-1.8.16.custom.css') }}" type="text/css" media="all" />
 
-            <link rel="stylesheet" href="{{ asset('bundles/sonataadmin/bootstrap/bootstrap.min.css') }}" type="text/css" media="all" >
+            <link rel="stylesheet" href="{{ asset('bundles/sonataadmin/bootstrap/bootstrap.min.css') }}" type="text/css" media="all" />
 
             <!-- base application asset -->
-            <link rel="stylesheet" href="{{ asset('bundles/sonataadmin/css/layout.css') }}" type="text/css" media="all">
-            <link rel="stylesheet" href="{{ asset('bundles/sonataadmin/css/colors.css') }}" type="text/css" media="all">
+            <link rel="stylesheet" href="{{ asset('bundles/sonataadmin/css/layout.css') }}" type="text/css" media="all" />
+            <link rel="stylesheet" href="{{ asset('bundles/sonataadmin/css/colors.css') }}" type="text/css" media="all" />
         {% endblock %}
 
         {% block javascripts %}