Log Message:
musicpd: Update to 0.21.14

ver 0.21.14 (2019/08/21)
* decoder
  - sidplay: show track durations in database
  - sidplay: convert tag values from Windows-1252 charset
  - sidplay: strip text from "Date" tag
* player
  - fix crash after song change
  - fix seek position after restarting the decoder
* protocol
  - include command name in error responses