FELIX-1893 Add @since tag to define in which API version the method has been added

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@890686 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/scr/src/main/java/org/apache/felix/scr/Reference.java b/scr/src/main/java/org/apache/felix/scr/Reference.java
index f5a49dd..7811ce0 100644
--- a/scr/src/main/java/org/apache/felix/scr/Reference.java
+++ b/scr/src/main/java/org/apache/felix/scr/Reference.java
@@ -124,6 +124,8 @@
      * <p>
      * For a component declared in a Declarative Services 1.0 and 1.1
      * descriptor, this method always returns <code>null</code>.
+     *
+     * @since 1.4
      */
     String getUpdatedMethodName();