Added a missing method in the interface.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@930296 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/dependencymanager/core/src/main/java/org/apache/felix/dm/service/Service.java b/dependencymanager/core/src/main/java/org/apache/felix/dm/service/Service.java
index a05da23..c84fdff 100644
--- a/dependencymanager/core/src/main/java/org/apache/felix/dm/service/Service.java
+++ b/dependencymanager/core/src/main/java/org/apache/felix/dm/service/Service.java
@@ -150,6 +150,7 @@
      * @return the service instance
      */
     public Service setCallbacks(String init, String start, String stop, String destroy);
+    public Service setCallbacks(Object instance, String init, String start, String stop, String destroy);
 
     // listener
     /**