Update OutboundRedirectReferenceFactory.cs (#197)

Author: klausfyhn

src/Skybrud.Umbraco.Redirects/Factories/References/OutboundRedirectReferenceFactory.cs

@@ -23,11 +23,11 @@ public IEnumerable<UmbracoEntityReference> GetReferences(object value) {
             switch (destination.Type) {
 
                 case RedirectDestinationType.Media:
-                    references.Add(new UmbracoEntityReference(new GuidUdi("media", destination.Key)));
+                    references.Add(new UmbracoEntityReference(new GuidUdi(Constants.UdiEntityType.Media, destination.Key)));
                     break;
 
                 case RedirectDestinationType.Content:
-                    references.Add(new UmbracoEntityReference(new GuidUdi("document", destination.Key)));
+                    references.Add(new UmbracoEntityReference(new GuidUdi(Constants.UdiEntityType.Document, destination.Key)));
                     break;
 
             }