JAL-1854 declare immutable class as final

diff --git a/src/jalview/renderer/ScaleRenderer.java b/src/jalview/renderer/ScaleRenderer.java
index 164c7c7..6940f22 100644 (file)
--- a/src/jalview/renderer/ScaleRenderer.java
+++ b/src/jalview/renderer/ScaleRenderer.java
@@ -34,7 +34,7 @@ import java.util.List;
  */
 public class ScaleRenderer
 {
-  public class ScaleMark
+  public final class ScaleMark
   {
     public final boolean major;