Update Sitemap.latte

Author: peldax

src/Component/Sitemap.latte

@@ -10,7 +10,7 @@
 
 {contentType application/xml}
 <?xml version="1.0" encoding="UTF-8"?>
-<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml">
     {foreach $pages as $temp}
         <url>
             <loc>{$baseUrl}{plink $temp}</loc>