[nautilus] window: active_pane might be NULL if we're destroying the window

[Cosimo Cecchi <cosimoc src gnome org>]

commit a08625badd19790faca002f1fd6c7049f2d680ba
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Feb 16 15:48:32 2011 -0500

    window: active_pane might be NULL if we're destroying the window

 src/nautilus-window.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/nautilus-window.c b/src/nautilus-window.c
index 4c04c95..9f74e36 100644
--- a/src/nautilus-window.c
+++ b/src/nautilus-window.c
@@ -1553,6 +1553,10 @@ nautilus_window_get_active_slot (NautilusWindow *window)
 {
 	g_assert (NAUTILUS_IS_WINDOW (window));
 
+	if (window->details->active_pane == NULL) {
+		return NULL;
+	}
+
 	return window->details->active_pane->active_slot;
 }