[gtk+] filechooser: Disconnect signal handlers from search engine before destroying

[Carlos Garnacho <carlosg src gnome org>]

commit a994f4edfb744b83e392d1b8dd8689b5b146ce01
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Mar 3 13:34:03 2015 +0100

    filechooser: Disconnect signal handlers from search engine before destroying
    
    The search engine might stay alive longer due to extra temporary refs, so
    the signal handlers should be removed for the filechooser to ignore these
    properly.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=745479

 gtk/gtkfilechooserwidget.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkfilechooserwidget.c b/gtk/gtkfilechooserwidget.c
index 76512e0..8789f3f 100644
--- a/gtk/gtkfilechooserwidget.c
+++ b/gtk/gtkfilechooserwidget.c
@@ -6205,7 +6205,7 @@ search_stop_searching (GtkFileChooserWidget *impl,
   if (priv->search_engine)
     {
       _gtk_search_engine_stop (priv->search_engine);
-      
+      g_signal_handlers_disconnect_by_data (priv->search_engine, impl);
       g_object_unref (priv->search_engine);
       priv->search_engine = NULL;
     }