force favicon refresh

templates/index.html

@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
     <title>Nyaa Pantsu - {{block "title" .}}Error 404{{end}}</title>
-    <link rel="icon" type="image/png" href="/img/favicon.png" />
+    <link rel="icon" type="image/png" href="/img/favicon.png?v=2" />
 
     <!-- RSS Feed with Context -->
     <link href="{{ genRouteWithQuery "feed" .URL }}" rel="alternate" type="application/rss+xml" title="Nyaa Pantsu - {{block "rsstitle" .}}Last torrents{{end}} RSS Feed" />