--- ui/dlgTable.cpp.orig	Fri Aug  8 07:40:28 2003
+++ ui/dlgTable.cpp	Fri Aug  8 07:41:31 2003
@@ -461,7 +461,8 @@
     if (table)
     {
         bool changed=false;
-        if (lstColumns->GetItemCount() > 0)
+        wxArrayString tmpDef=previousColumns;
+        if (lstColumns->GetItemCount() != (int)tmpDef.GetCount())
         {
             if (GetName() != table->GetName() ||
                 txtComment->GetValue() != table->GetComment() ||