Fix table variable assignment in generic for loop not binding to proper symbol

Upsilon/Binder/Binder.cs

@@ -1017,6 +1017,10 @@ namespace Upsilon.Binder
                     valueVariable = new UserDataVariableSymbol(valueVar.Name,
                         BoundTypeHandler.GetTypeDefinition(type.UserData), true);
                 }
+                else if (type == Type.Table)
+                {
+                    valueVariable = new TableVariableSymbol(valueVar.Name, true, composite.Types[1]);
+                }
                 else
                 {
                     valueVariable = new VariableSymbol(valueVar.Name, composite.Types[1], true);