avoid NPE race condition when several threads waiting on a sequence fetcher discovery...

diff --git a/src/jalview/gui/SequenceFetcher.java b/src/jalview/gui/SequenceFetcher.java
index 14c0a00..3defa9c 100755 (executable)
--- a/src/jalview/gui/SequenceFetcher.java
+++ b/src/jalview/gui/SequenceFetcher.java
@@ -119,7 +119,7 @@ public class SequenceFetcher extends JPanel implements Runnable
       if (guiWindow != null)
       {
         guiWindow.setProgressBar("Initialising Sequence Database Fetchers",
-                initingThread.hashCode());
+                Thread.currentThread().hashCode());
       }
       sfetch = sf;
       _initingFetcher = false;