Update Changelog for the 0.8.2 Release

Changelog

@@ -1,6 +1,20 @@
 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.
 
+version 0.8.2:
+
+- Several bugs and crashes have been fixed in the following codecs: AAC,
+  APE, H.263, H.264, Indeo 4, Mimic, MJPEG, Motion Pixels Video, RAW,
+  TTA, VC1, VQA, WMA Voice, vqavideo (CVE-2012-0947).
+
+- Several bugs and crashes have been fixed in the following formats:
+  ASF, ID3v2, MOV, xWMA
+
+- This release additionally updates the following codecs to the
+  bytestream2 API, and therefore benefit from additional overflow
+  checks: truemotion2, utvideo, vqavideo
+
+
 version 0.8.1:
 
 - Several bugs and crashes have been fixed in the following codecs: AAC,