fix

Author: horymury

src/main/java/org/jitsi/jigasi/AudioModeration.java

@@ -589,7 +589,7 @@ public RaiseHandExtension()
          */
         public ExtensionElement setRaisedHandValue(long value)
         {
-            setText(value ? value.toString() : "0");
+            setText(value == null ? "0" : Long.toString(value));
 
             return this;
         }