Fix the protected view in staticfileserver

Staticfileserver is only used in local testing when there is
no reverse proxy server (NGINX).

Unpacking keyword arguments requires two asterisks `**`.

staticfileserver/views.py

@@ -17,4 +17,4 @@ def serve(request, path):
             except:
                 raise Http404()
 
-            return view(request, *args, *kwargs)
+            return view(request, *args, **kwargs)