fixed bug in records

src/de/tudarmstadt/informatik/hostage/ui2/fragment/RecordOverviewFragment.java

@@ -213,7 +213,7 @@ public class RecordOverviewFragment extends UpNavigatibleFragment implements Che
                             if (adapter != null){
                                 adapter.notifyDataSetChanged();
 
-                                if (adapter.getGroupCount() == 1 || sectionToOpen == null || sectionToOpen.length() == 0){
+                                if (adapter.getGroupCount() >= 1){
                                     RecordOverviewFragment.this.expListView.expandGroup(DEFAULT_GROUPING_KEY_INDEX);
                                 } else {
                                     RecordOverviewFragment.this.setSectionToOpen(RecordOverviewFragment.this.sectionToOpen);