- security fixes.
    - ruby-1.8.4-fix-insecure-dir-operation.patch:
    - ruby-1.8.4-fix-insecure-regexp-modification.patch: fixed the insecure
        operations in the certain safe-level restrictions. (#199538)
    - ruby-1.8.4-fix-alias-safe-level.patch: fixed to not bypass the certain
        safe-level restrictions. (#199543)