ECalShellView: Disconnect "prepare-for-quit" handler on dispose().

This is another source of crashes after creating and destroying a second
shell window.  The signal handler was left connected with the destroyed
shell window as the closure.

1 files changed, 3 insertions, 0 deletions

diff --git a/modules/calendar/e-cal-shell-view-private.h b/modules/calendar/e-cal-shell-view-private.h
index 7931eb3a3d..30962d841b 100644
--- a/modules/calendar/e-cal-shell-view-private.h
+++ b/modules/calendar/e-cal-shell-view-private.h
@@ -93,6 +93,9 @@ struct _ECalShellViewPrivate {
 	ECalShellContent *cal_shell_content;
 	ECalShellSidebar *cal_shell_sidebar;
 
+	EShell *shell;
+	gulong prepare_for_quit_handler_id;
+
 	EClientCache *client_cache;
 	gulong backend_error_handler_id;