Author: Jan Dittberner <jandd@debian.org>
Subject: disable javadoc options that are not supported by gjdoc

--- a/build.xml
+++ b/build.xml
@@ -562,7 +562,7 @@
       <group title="Java Native Access" packages="com.sun.jna,com.sun.jna.ptr,com.sun.jna.types,com.sun.jna.win32"/>
       <group title="Platform Specific" packages="com.sun.jna.platform"/>
     	
-      <arg value="-notimestamp"/>
+      <!--arg value="-notimestamp"/-->
     </javadoc>
     <subant target="javadoc">
       <fileset dir="${contrib}" includes="platform/build.xml"/>