Change to //= operator

plugin/SqueezeESP32/Player.pm

@@ -220,7 +220,7 @@ sub send_equalizer {
 sub send_loudness {
 	my ($client, $loudness) = @_;
    
-    $loudness = defined $loudness ? $loudness : $prefs->client($client)->get('loudness');
+    $loudness //= $prefs->client($client)->get('loudness');
 
 	my $data = pack("c1", $loudness);
 	$client->sendFrame( loud => \$data );   

plugin/repo.xml

@@ -4,7 +4,7 @@
     <plugin version="0.601" name="SqueezeESP32" minTarget="7.9" maxTarget="*">
       <link>https://github.com/sle118/squeezelite-esp32</link>
       <creator>Philippe</creator>
-      <sha>ca3430b0d67421baadff58a478406fe5ba37a819</sha>
+      <sha>439637e01db7410157a333446cd284509f877849</sha>
       <email>philippe_44@outlook.com</email>
       <desc lang="EN">SqueezeESP32 additional player id (100/101)</desc>
       <url>http://raw.githubusercontent.com/sle118/squeezelite-esp32/master-v4.3/plugin/SqueezeESP32.zip</url>