Backport from this commit:

  commit 8dfd98245d2c44a1eb4c8b7c275e6cfc10fe40f1
  Author: Chase Douglas <chase.douglas@canonical.com>
  Date:   Wed Apr 11 11:14:51 2012 -0700

    Fix copy/paste error from before git history in UpdateCurrentTimeIf()

    See UpdateCurrentTime() for reference. I don't know what bug this might
    trigger, but it wouldn't hurt to fix this.
Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>