[libgda] Correction for bug #640482

[Vivien Malerba <vivien src gnome org>]

commit 38ffe6cd0f0f41b7d3a818a8a11420d0cc573406
Author: Vivien Malerba <malerba gnome-db org>
Date:   Wed Jan 26 16:04:39 2011 +0100

    Correction for bug #640482

 .../gdaui-data-cell-renderer-boolean.c             |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/libgda-ui/data-entries/gdaui-data-cell-renderer-boolean.c b/libgda-ui/data-entries/gdaui-data-cell-renderer-boolean.c
index af26411..60ece1d 100644
--- a/libgda-ui/data-entries/gdaui-data-cell-renderer-boolean.c
+++ b/libgda-ui/data-entries/gdaui-data-cell-renderer-boolean.c
@@ -411,7 +411,10 @@ gdaui_data_cell_renderer_boolean_activate  (GtkCellRenderer            *cell,
 		gboolean retval, active;
 		GValue *value;
 
-		retval = gtk_cell_renderer_activate (cell, event, widget, path, background_area, cell_area, flags);
+		retval = GTK_CELL_RENDERER_CLASS (parent_class)->activate (cell, event,
+									   widget, path,
+									   background_area,
+									   cell_area, flags);
 		active = gtk_cell_renderer_toggle_get_active (GTK_CELL_RENDERER_TOGGLE (cell));
 
 		value = gda_value_new (G_TYPE_BOOLEAN);