[Vorbis] Lancer 20060331 is out

[pub at cyanet.jp]

Lancer 20060331 (based on aoTuV 4.51)
http://homepage3.nifty.com/blacksword/

Changes:
* oggdropXPd updates to 1.8.8
* vorbis_oggpack_write is optimized
* update SSE optimization code: floor1_fit, _vp_offset_and_mix,
  _vp_quantize_couple_memo, _vp_couple
* implement unroll and register renaming in fft
* update loop splitting point calculation in the second half portion
  of bark_noise_hybridmp


Lancer 20060317 (based on aoTuV 4.51)
http://homepage3.nifty.com/blacksword/

Changes:
* bugfix: hangup in oggdropXPd's DownMix
* add oggpack_write to vorbis for DLL performance
* update SSE optimization code: _ve_amp
* delete useless SSE optimization code in floor1.c
* add bug avoiding code for GCC in inspect_error
* implement unroll and register renaming in fft, mdct_forward,
  bark_noise_hybridmp
* add loop splitting point precalculation code in bark_noise_hybridmp