Roger Lam / Mbed 2 deprecated soundthing

It bloody plays

Dependencies:   mbed wave_player wavfile

Diff: wavfile.lib

Revision:
1:804c1daa860b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wavfile.lib	Wed Mar 20 11:59:20 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/shintamainjp/code/wavfile/#c853ba46d0b9