[gthumb] fixed crash when closing the window

[Paolo Bacchilega <paobac src gnome org>]

commit 39ab4cd9fff3fbd9fb17c3e2e25432c990fcbb21
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Wed Aug 25 09:03:19 2010 +0200

    fixed crash when closing the window
    
    [bug #627535]

 gthumb/gth-browser.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/gthumb/gth-browser.c b/gthumb/gth-browser.c
index 43f8fe4..e18776f 100644
--- a/gthumb/gth-browser.c
+++ b/gthumb/gth-browser.c
@@ -2036,11 +2036,20 @@ _gth_browser_close_final_step (gpointer user_data)
 
 
 static void
+_gth_browser_close_step4 (gpointer user_data)
+{
+	GthBrowser *browser = user_data;
+
+	gth_file_list_cancel (GTH_FILE_LIST (browser->priv->thumbnail_list), _gth_browser_close_final_step, browser);
+}
+
+
+static void
 _gth_browser_close_step3 (gpointer user_data)
 {
 	GthBrowser *browser = user_data;
 
-	gth_file_list_cancel (GTH_FILE_LIST (browser->priv->file_list), _gth_browser_close_final_step, browser);
+	gth_file_list_cancel (GTH_FILE_LIST (browser->priv->file_list), _gth_browser_close_step4, browser);
 }