JAL-2065 don’t pass stale group reference

diff --git a/src/jalview/gui/SequenceRenderer.java b/src/jalview/gui/SequenceRenderer.java
index 7928a89..b67b88f 100755 (executable)
--- a/src/jalview/gui/SequenceRenderer.java
+++ b/src/jalview/gui/SequenceRenderer.java
@@ -417,7 +417,7 @@ public class SequenceRenderer implements jalview.api.SequenceRenderer
           }
           if (!isarep && av.getShowUnconserved())
           {
-            s = getDisplayChar(srep, i, s, '.', currentSequenceGroup);
+            s = getDisplayChar(srep, i, s, '.', null);
 
           }