Fix authentication failure warning log messages for FEDERATION_USER

Dariusz Bywalec

2016-01-04 5274e12c7cc19451355082418f78004c4d97e263

 src/main/java/com/gitblit/wicket/ExternalImage.java

@@ -27,6 +27,7 @@
      super(id, new Model<String>(url));

   }



   @Override

   protected void onComponentTag(ComponentTag tag) {

      super.onComponentTag(tag);

      checkComponentTag(tag, "img");