flic: support 1bpp

[ami_stuff]

C:\>ffmpeg -i 1bit.flb
ffmpeg version 3.2.git Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 4.6.2 (GCC)
  configuration: --disable-pthreads --enable-gpl --disable-ffprobe
  libavutil      55. 47.100 / 55. 47.100
  libavcodec     57. 79.100 / 57. 79.100
  libavformat    57. 66.102 / 57. 66.102
  libavdevice    57.  2.100 / 57.  2.100
  libavfilter     6. 73.100 /  6. 73.100
  libswscale      4.  3.101 /  4.  3.101
  libswresample   2.  4.100 /  2.  4.100
  libpostproc    54.  2.100 / 54.  2.100
[flic @ 0236d1a0] Warning: not compiled with thread support, using thread emulat
ion
[flic @ 0236d1a0] Unknown FLC/FLX depth of 1 Bpp is unsupported.
[flic @ 02363c00] Failed to open codec in avformat_find_stream_info
[flic @ 0236d1a0] Warning: not compiled with thread support, using thread emulat
ion
[flic @ 0236d1a0] Unknown FLC/FLX depth of 1 Bpp is unsupported.
Input #0, flic, from '1bit.flb':
  Duration: N/A, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: flic, none, 319x239, 200 fps, 200 tbr, 200 tbn, 200 tbc
At least one output file must be specified

[Elon Musk]

Fixed in 873ce68f54505118de48675d5c3d4b65a264489e