ruby193-ruby security update

1.9.3.484-50.0.1 - fix build issue: self test report 'dh key to small' 1.9.3.484-50 - Fix off-by-one stack-based buffer overflow in the encodes function CVE-2014-4975. Related: rhbz1164004 - Fix REXML billion laughs attack via parameter entity expansion CVE-2014-8080. Related: rhbz1164004 - REXML...