Merge branch 'v0.20.x'

src/output/plugins/AlsaOutputPlugin.cxx

@@ -706,6 +706,12 @@ AlsaOutput::Recover(int err) noexcept
 	case SND_PCM_STATE_DRAINING:
 		err = 0;
 		break;
+
+	default:
+		/* this default case is just here to work around
+		   -Wswitch due to SND_PCM_STATE_PRIVATE1 (libasound
+		   1.1.6) */
+		break;
 	}
 
 	return err;