Update changelog.

Add changes merged via Gerrit to changelog.

Change-Id: I230b1cb17f3ab78bfff6c2ac990735ab05b9a6d5
diff --git a/rbutil/rbutilqt/changelog.txt b/rbutil/rbutilqt/changelog.txt
index 7b3bef6..94082d2 100644
--- a/rbutil/rbutilqt/changelog.txt
+++ b/rbutil/rbutilqt/changelog.txt
@@ -12,6 +12,8 @@
 * Change encoder volume configuration to allow more sensible values.
 * Save proxy password differently in configuration file (better solution for FS#12166).
 * Add support for building Rockbox Utility with Qt5.
+* Add support for extracting Original Firmware files compressed with CAB (G#418).
+* Add support for Creative Zen X-Fi3 (G#419).
 * Add Changelog window.
 * Rework System Trace functionality.