Fixed incorrect setting of acp display vars in some blocks;

Fixed XHTML validation error with blocks that do not have any options;

root/adm/style/portal/acp_portal_config.html

@@ -68,6 +68,8 @@
 		</dl>
 
 	<!-- ENDIF -->
+<!-- BEGINELSE -->
+	<fieldset>
 <!-- END options -->
 
 <!-- IF S_AUTH -->