[gnome-calendar] calendar: Disconnect from the correct object

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 07acf540ae385d694c3f72337e4e7e9697794e7e
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sat Jul 13 19:54:17 2019 -0300

    calendar: Disconnect from the correct object
    
    The name changed signal comes from the ESource, not
    the extension.

 src/core/gcal-calendar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/core/gcal-calendar.c b/src/core/gcal-calendar.c
index ecbab1a3..e385fa85 100644
--- a/src/core/gcal-calendar.c
+++ b/src/core/gcal-calendar.c
@@ -231,7 +231,7 @@ gcal_calendar_finalize (GObject *object)
   selectable_extension = e_source_get_extension (priv->source, E_SOURCE_EXTENSION_CALENDAR);
 
   gcal_clear_signal_handler (&priv->color_changed_handler_id, selectable_extension);
-  gcal_clear_signal_handler (&priv->name_changed_handler_id, selectable_extension);
+  gcal_clear_signal_handler (&priv->name_changed_handler_id, priv->source);
   gcal_clear_signal_handler (&priv->readonly_changed_handler_id, priv->client);
 
   g_clear_object (&priv->client);