* debian/patches/154_ogg-mkv-webm-media-icons.patch,

  debian/patches/155_audio-webm.patch,
  debian/patches/156_mkv-webm-magic.patch:
  + Patches from upstream bugzilla to a) add correct icons to the Ogg,
    Matroska, WebM types, b) add audio/webm and c) improve the magic
    detection of Matroska and WebM files.