[CentOS] something chmod'ing /dev/null

Wed Nov 17 18:16:51 UTC 2010
Joe Pruett <joey at q7.com>

it looks like one of the recent updates will sometimes chmod /dev/null
to 600.  out of 20 machines i've updated, 3 of them had the odd
/dev/null perms afterwards.  i haven't tried to identify what it doing
it yet, but wanted to give a heads up to others that might start seeing
weird behavior.