postgresql84 security update

8.4.7-1.el56.1 - Update to PostgreSQL 8.4.7, for various fixes described at http://www.postgresql.org/docs/8.4/static/release-8-4-7.html http://www.postgresql.org/docs/8.4/static/release-8-4-6.html including the fix for CVE-2010-4015 Resolves: 672636 - Ensure we don't package any .gitignore files...