Fix NPE when adding a permission without a registrant (issue-344)

James Moger

2013-11-26 67389b9e7060b7f917a8383ec04d3a0c6bd24c5c

 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");