[epiphany] window: Fix a crash when closing the window with the downloads bar open

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 13dbb8d4ae4c137b68f28d681cd6444d1e0de3ea
Author: Carlos Garcia Campos <cgarcia igalia com>
Date:   Wed Feb 19 09:52:50 2014 +0100

    window: Fix a crash when closing the window with the downloads bar open
    
    Do not notify about window chrome changes when the window is closing.

 src/ephy-window.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/ephy-window.c b/src/ephy-window.c
index 51bd7fb..272c9c2 100644
--- a/src/ephy-window.c
+++ b/src/ephy-window.c
@@ -670,6 +670,9 @@ ephy_window_set_chrome (EphyWindow *window,
                return;
 
        window->priv->chrome = chrome;
+       if (window->priv->closing)
+               return;
+
        g_object_notify (G_OBJECT (window), "chrome");
        sync_chromes_visibility (window);
 }