Log Message:
Updated musicpd to 0.19.19.

ver 0.19.19 (2016/08/23)
* decoder
  - ffmpeg: bug fix for FFmpeg 3.1 support
  - wildmidi: support libWildMidi 0.4
* output
  - pulse: support 32 bit, 24 bit and floating point playback
* support non-x86 NetBSD
* fix clang 3.9 warnings