[gimp] Make sure the shell is really destroyed when removing it from the window

[Michael Natterer <mitch src gnome org>]

commit 625885eb9da9c469983a9866256dab2f5054d50b
Author: Michael Natterer <mitch gimp org>
Date:   Thu Oct 1 19:38:52 2009 +0200

    Make sure the shell is really destroyed when removing it from the window
    
    Explicitely call gtk_widget_destroy() to break whatever reference
    cycles so the shell really goes away.

 app/display/gimpdisplay.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/app/display/gimpdisplay.c b/app/display/gimpdisplay.c
index 2e09cb6..5be2baa 100644
--- a/app/display/gimpdisplay.c
+++ b/app/display/gimpdisplay.c
@@ -463,7 +463,12 @@ gimp_display_delete (GimpDisplay *display)
         {
           if (gimp_image_window_get_n_shells (window) > 1)
             {
+              g_object_ref (shell);
+
               gimp_image_window_remove_shell (window, shell);
+              gtk_widget_destroy (GTK_WIDGET (shell));
+
+              g_object_unref (shell);
             }
           else
             {