? openlayers_views_option_definition.patch
Index: modules/openlayers_views/views/openlayers_views_style_data.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/openlayers/modules/openlayers_views/views/openlayers_views_style_data.inc,v
retrieving revision 1.1.2.14
diff -u -p -r1.1.2.14 openlayers_views_style_data.inc
--- modules/openlayers_views/views/openlayers_views_style_data.inc	23 Mar 2010 15:16:12 -0000	1.1.2.14
+++ modules/openlayers_views/views/openlayers_views_style_data.inc	31 Mar 2010 18:57:00 -0000
@@ -21,6 +21,7 @@ class openlayers_views_style_data extend
    */
   function option_definition() {
     $options = parent::option_definition();
+    $options['data_source'] = array('default' => array());
     return $options;
   }