added ordering by ID to tiix

tiix.tcl

@@ -141,7 +141,7 @@ proc tiix_viewecho {} {
     append query { AND (`body` LIKE $tiix_filter_regex OR `subj` LIKE $tiix_filter_regex) }
   }
   if {$tiix_order_byid eq 1} {
-    append query { ORDER BY `is` }
+    append query { ORDER BY `id` }
   } else {
     append query { ORDER BY `timestamp` }
   }