ruby security update

[1.6.8-12.el3]

• ruby-1.6.8-string-CVE-2008-2664.patch: wrong patch. Fix a segfault.
  [1.6.8-11.el3]
• CVE-2008-2376: Integer overflow in rb_ary_fill().
  [1.6.8-10.el3]
• security fixes. (#451931)
• CVE-2006-6303: Fix the infinite loop issue with the malformed multipart
  data in cgi.rb.
• CVE-2008-2663: Fix the integer overflow in rb_ary_store().
• CVE-2008-2664: Fix the unsafe use of alloca in rb_str_format().
• CVE-2008-2727: Fix the integer overflow in rb_ary_replace().
• CVE-2008-2728: Fix the integer overflow in rb_ary_replace().