Update whats new for latest change

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11324 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter01/whatsnew.xml

@@ -62,9 +62,9 @@
     <listitem>
       <para>DejaGNU-&dejagnu-version;</para>
     </listitem>
-    <!--<listitem revision="systemd">
+    <listitem revision="systemd">
       <para>D-Bus-&dbus-version;</para>
-    </listitem>-->
+    </listitem>
     <!--<listitem>
       <para>Diffutils-&diffutils-version;</para>
     </listitem>-->