thunderbird security update

1.5.0.12-25.0.1.el4 - Add thunderbird-oracle-default-prefs.js for errata rebuild and remove thunderbird-redhat-default-prefs.js - Replaced clean.gif in tarball 1.5.0.12-25 - Added patches from 2.0.0.24 1.5.0.12-24 - Update patchset to fix regression as per 1.9.0.13...