Index: views_bulk_operations.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/views_bulk_operations/views_bulk_operations.module,v
retrieving revision 1.29.2.9.2.90
diff -u -p -r1.29.2.9.2.90 views_bulk_operations.module
--- views_bulk_operations.module	9 Jun 2009 21:02:20 -0000	1.29.2.9.2.90
+++ views_bulk_operations.module	12 Jun 2009 21:48:52 -0000
@@ -92,7 +92,7 @@ function theme_views_node_selector($elem
     template_preprocess_views_view_table($vars);
     
     // Add checkboxes to the header and the rows.
-    $hide_select_all = $view->display['default']->display_options['style_options']['hide_select_all'];
+    $hide_select_all = !empty($view->display['default']->display_options['style_options']['hide_select_all']);
     if (!$hide_select_all) {
       $headers[] = theme('table_select_header_cell');
     }
@@ -469,6 +469,7 @@ function views_bulk_operations_form_subm
 
   // Execute the VBO.
   $operation = $plugin->get_operation_info($form_state['storage'][VIEWS_BULK_OPS_STEP_VIEW]['operation']);
+  $operation_arguments = array();
   if ($operation['configurable']) {
     $form_state['values'] += $form_state['storage'][VIEWS_BULK_OPS_STEP_CONFIG];
     $operation_arguments = _views_bulk_operations_action_submit($operation, $form, $form_state);