releasing package livecd-rootfs version 2.408.4

debian/changelog

@@ -1,11 +1,11 @@
-livecd-rootfs (2.408.4) UNRELEASED; urgency=medium
+livecd-rootfs (2.408.4) xenial; urgency=medium
 
   * live-build/ubuntu-cpc/hooks/042-vagrant.binary: fix unmount handling
     so that the teardown is done properly /before/ we try to make an
     image from our filesystem, since otherwise /etc/resolv.conf is broken.
     LP: #1621393.
 
- -- Steve Langasek <steve.langasek@ubuntu.com>  Fri, 09 Sep 2016 17:04:35 -0700
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Fri, 09 Sep 2016 17:04:54 -0700
 
 livecd-rootfs (2.408.3) xenial-proposed; urgency=medium