Fix NPE

diff --git a/gwtquery-core/src/main/java/com/google/gwt/query/client/plugins/deferred/Callbacks.java b/gwtquery-core/src/main/java/com/google/gwt/query/client/plugins/deferred/Callbacks.java
index 03108068f4b5639e73daddeed28984cffe89090b..c6d36d72666ce08f85d0fa8ab6bec07d8c3e97bc 100644 (file)
--- a/gwtquery-core/src/main/java/com/google/gwt/query/client/plugins/deferred/Callbacks.java
+++ b/gwtquery-core/src/main/java/com/google/gwt/query/client/plugins/deferred/Callbacks.java
@@ -164,6 +164,7 @@ public class Callbacks {
   }
   
   public String status() {
-    return (stack == null ? 0 : stack.size()) + " " + done;
+    return "stack=" + (stack == null ? "null" : stack.size()) + " " + done;
   }
-}
\ No newline at end of file
+}
+