fix for SQL error: ERROR: syntax error at or near ")" at character 45

http://laconi.ca/trac/ticket/1735

classes/Notice.php

@@ -755,6 +755,10 @@ class Notice extends Memcached_DataObject
             return new ArrayWrapper($notices);
         } else {
             $notice = new Notice();
+            if (empty($ids)) {
+                //if no IDs requested, just return the notice object
+                return $notice;
+            }
             $notice->whereAdd('id in (' . implode(', ', $ids) . ')');
             $notice->orderBy('id DESC');