Explicitly depend on sox and libsox-fmt-mp3

debian/control

@@ -9,7 +9,7 @@ XS-Go-Import-Path: git.autistici.org/ale/autoradio
 
 Package: autoradio-server
 Architecture: any
-Depends: icecast2, liquidsoap, libcap2-bin, sudo,
+Depends: icecast2, liquidsoap, libcap2-bin, sudo, sox, libsox-fmt-mp3,
  ${shlibs:Depends}, ${misc:Depends}
 Description: Icecast clustering software.
  Runs icecast2 in a cluster controlled by etcd.