Update to 1.669004
    
    - New upstream release 1.669004
      - Tweaked widow handling to avoid a nasty edge case
    - Specify all dependencies
    - Replace provides filter with a patch that works right back to EL-5
    - Don't need to remove empty directories from the buildroot
    - Drop %defattr, redundant since rpm 4.4
    - Make %files list more explicit
    - Don't use macros for commands