Description of problem:

The warning message prompts every time when building a live system with livecd-creator.

livecd-creator --config=/usr/share/spin-kickstarts/fedora-live-mini-custom.ks --cache=/[...]/cache/

  [...]
  Installing: libdrm                       ##################### [346/591] 
  Installing: plymouth                     ##################### [347/591] 
  Installing: dracut                                             [348/591]warning: /etc/dracut.conf created as /etc/dracut.conf.rpmnew
  Installing: dracut                       ##################### [348/591] 
  Installing: kernel                       ##################### [349/591] 
  Installing: system-setup-keyboard        ##################### [350/591] 
  Installing: xorg-x11-server-Xorg         ##################### [351/591] 
  [...]

Version-Release number of selected component (if applicable):
Name        : dracut
Arch        : noarch
Version     : 013
Release     : 20.fc16


How reproducible:
building a live system with livecd-creator.

Steps to Reproduce:
1. Follow the official tutorial to build a live system : http://fedoraproject.org/wiki/How_to_create_and_use_a_Live_CD
  
Actual results:
There is a warning message every time.

Expected results:
no warning

Additional info:-