Fix authorization header name

Author: jdreesen

resources/config/varnish/fos_user_context.vcl

@@ -82,7 +82,7 @@ sub fos_user_context_recv {
 sub fos_user_context_hash {
  if (req.http.accept == "application/vnd.fos.user-context-hash") {
  hash_data(req.http.Cookie);
- hash_data(req.http.Autorization);
+ hash_data(req.http.Authorization);
  }
 }