Changelog:update

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Changelog

@@ -3,6 +3,22 @@ releases are sorted from youngest to oldest.
 
 
 version 3.3.3:
+- avcodec/dirac_dwt: Fix multiple integer overflows in COMPOSE_DD97iH0()
+- avcodec/diracdec: Fix integer overflow in divide3()
+- avcodec/takdec: Fix integer overflow in decode_subframe()
+- avformat/rtmppkt: Convert ff_amf_get_field_value() to bytestream2
+- avformat/rtmppkt: Convert ff_amf_tag_size() to bytestream2
+- avcodec/diracdec: Fix integer overflow in signed multiplication in UNPACK_ARITH()
+- avcodec/pixlet: Simplify nbits computation
+- avcodec/dnxhddec: Move mb height check out of non hr branch
+- avcodec/hevc_ps: fix integer overflow in log2_parallel_merge_level_minus2
+- avformat/oggparsecelt: Do not re-allocate os->private
+- avcodec/ylc: Fix shift overflow
+- avcodec/aacps: Fix multiple integer overflow in map_val_34_to_20()
+- avcodec/aacdec_fixed: fix: left shift of negative value -1
+- avcodec/dirac_vlc: Fix undefined shift
+- doc/filters: typo in frei0r
+- avcodec/cfhd: Fix decoding regression due to height check
 - avcodec/aacdec_template (fixed point): Check gain in decode_cce() to avoid undefined shifts later
 - avcodec/ffv1dec_template: Fix signed integer overflow
 - avcodec/aacdec_template: Fix undefined integer overflow in apply_tns()