Bug#1086584: Dupes in suffixes/codecs documentation

[Mikko Viinamäki <t8mf4nu6lizp@canaglie.net>]

Package: bs1770gain
Version: 0.6.5-1

(the outputs are all duplicates)

bs1770gain --help=suffix|sort|uniq -d
  asf,wmv,wma
  mxf
  vob

AND

bs1770gain --help=codec|sort|uniq -d
  aac
  ac3
  ac3_fixed
  adpcm_adx
  adpcm_ima_qt
  adpcm_ima_ssi
  adpcm_ima_wav
  adpcm_ms
  adpcm_swf
  adpcm_yamaha
  alac
  aptx
  aptx_hd
  comfortnoise
  dca
  eac3
  flac
  g722
  g723_1
  g726
  g726le
  libcodec2
  libgsm
  libgsm_ms
  libopus
  libspeex
  libvorbis
  mlp
  mp2
  nellymoser
  opus
  pcm_alaw
  pcm_dvd
  pcm_f32be
  pcm_f32le
  pcm_f64be
  pcm_f64le
  pcm_mulaw
  pcm_s16be
  pcm_s16be_planar
  pcm_s16le
  pcm_s16le_planar
  pcm_s24be
  pcm_s24daud
  pcm_s24le
  pcm_s24le_planar
  pcm_s32be
  pcm_s32le
  pcm_s32le_planar
  pcm_s64be
  pcm_s64le
  pcm_s8
  pcm_s8_planar
  pcm_u16be
  pcm_u16le
  pcm_u24be
  pcm_u24le
  pcm_u32be
  pcm_u32le
  pcm_u8
  pcm_vidc
  real_144
  roq_dpcm
  s302m
  sbc
  sonic
  truehd
  tta
  vorbis
  wavpack
  wmav1
  wmav2