Update build of selftest atl so that it uses the dummy roles file

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271104 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/build.xml

@@ -386,6 +386,9 @@ Legal:
       <zipfileset dir="${manifest.dir}" fullpath="META-INF/ant-descriptor.xml">
         <include name="selftest-ant-descriptor.xml"/>
       </zipfileset>
+      <zipfileset dir="${manifest.dir}" fullpath="META-INF/ant-roles.xml">
+        <include name="empty-roles.xml"/>
+      </zipfileset>
     </jar>
 
     <jar jarfile="${build.lib}/selftest-extension1.jar"