Graph: more clone() cleanup.

- throw InternalError() for CloneNotSupportedException case, which never happens
- AffineTransform clone() uses covariant return type as well, ie AffineTransform

1 files changed, 2 insertions, 2 deletions

diff --git a/src/jogl/classes/jogamp/graph/geom/plane/AffineTransform.java b/src/jogl/classes/jogamp/graph/geom/plane/AffineTransform.java
index b7c7c19e2..fc086ebe4 100644
--- a/src/jogl/classes/jogamp/graph/geom/plane/AffineTransform.java
+++ b/src/jogl/classes/jogamp/graph/geom/plane/AffineTransform.java
@@ -519,9 +519,9 @@ public class AffineTransform implements Cloneable, Serializable {
     }
 
     @Override
-    public Object clone() {
+    public AffineTransform clone() {
         try {
-            return super.clone();
+            return (AffineTransform) super.clone();
         } catch (CloneNotSupportedException e) {
             throw new InternalError();
         }