fix for when there is no default entry

git-svn-id: svn+ssh://svn.internal.sanger.ac.uk/repos/svn/pathsoft/artemis/trunk@14095 ee4ac58c-ac51-4696-9907-e4b3aa274f04

uk/ac/sanger/artemis/components/Selector.java

@@ -186,7 +186,8 @@ public class Selector extends JFrame
     getContentPane().add(by_qualifier_panel);
 
     boolean isGFF = false;
-    if(getEntryGroup().getDefaultEntry().getEMBLEntry() instanceof GFFDocumentEntry)
+    if(getEntryGroup().getDefaultEntry() != null &&
+       getEntryGroup().getDefaultEntry().getEMBLEntry() instanceof GFFDocumentEntry)
       isGFF = true;
     qualifier_selector = new QualifierChoice(default_entry_information,
                                               key_selector.getSelectedItem(),