Log Message:
ncmpc: Update to 0.37

ncmpc 0.37 - (2020-01-24)
* show performer on song page
* show partitions on outputs page (requires libmpdclient 2.18)
* search: add search tag "modified" (requires libmpdclient 2.10)
* fix compatibility with MPD versions older than 0.21
* switch to C++17