libxml2 security update

2.6.26-2.1.12.0.1.el57.2 - Add libxml2-enterprise.patch - Replaced docs/redhat.gif in tarball with updated image 2.6.26-2.1.12.el57.2 - Fix the semantic of XPath axis for namespace/attribute nodes CVE-2010-4008 - Fix an off by one error in encoding CVE-2011-0216 - Fix some potential problems on...