CharacterRefC: finalize the "ptr" field

stephengold · stephengold · commit 0c124cdc3210 · 2026-05-07T16:53:15.000-07:00
diff --git a/src/main/java/com/github/stephengold/joltjni/CharacterRefC.java b/src/main/java/com/github/stephengold/joltjni/CharacterRefC.java
@@ -45,7 +45,7 @@ final public class CharacterRefC
     /**
      * cache the target to avoid duplication
      */
-    private ConstCharacter ptr;
+    final private ConstCharacter ptr;
     // *************************************************************************
     // constructors
 
