Add missing release

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@372355 13f79535-47bb-0310-9956-ffa450edef68

jxr/xdocs/changes.xml

@@ -52,6 +52,8 @@
       <action dev="brett" type="update">Update commons-* dependencies</action>
       <action dev="brett" type="fix" issue="MPJXR-9">Remove xmlns on html elements as JSL messes it up</action>
     </release>
+    <release version="1.4" date="unknown">
+    </release>
     <release version="1.3" date="2004-03-07">
       <action dev="dion" type="update" issue="MPJXR-8">Apply MPJXR-8</action>
       <action dev="evenisse" type="fix">Apply patch from Nicolas De Loof for reduce open files during jxr process.</action>