[nautilus] window-slot: plug memory leak

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit bc51c3c598db363d99522f756034ac512a045447
Author: Carlos Soriano <csoriano gnome org>
Date:   Fri Jul 24 22:10:49 2015 +0200

    window-slot: plug memory leak

 src/nautilus-window-slot.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/nautilus-window-slot.c b/src/nautilus-window-slot.c
index b836cdd..cbf801e 100644
--- a/src/nautilus-window-slot.c
+++ b/src/nautilus-window-slot.c
@@ -211,6 +211,7 @@ static void
 check_empty_states (NautilusWindowSlot *slot)
 {
        GList *files;
+       GList *filtered;
         NautilusDirectory *directory;
         gboolean show_hidden_files;
 
@@ -221,14 +222,15 @@ check_empty_states (NautilusWindowSlot *slot)
                files = nautilus_directory_get_file_list (directory);
                 show_hidden_files = g_settings_get_boolean (gtk_filechooser_preferences,
                                                             NAUTILUS_PREFERENCES_SHOW_HIDDEN_FILES);
-                files = nautilus_file_list_filter_hidden (files, show_hidden_files);
-                if (g_list_length (files) == 0) {
+                filtered = nautilus_file_list_filter_hidden (files, show_hidden_files);
+                if (g_list_length (filtered) == 0) {
                         if (NAUTILUS_IS_SEARCH_DIRECTORY (directory)) {
                                gtk_widget_show (slot->details->no_search_results_widget);
                         } else {
                                gtk_widget_show (slot->details->folder_is_empty_widget);
                         }
                 }
+                nautilus_file_list_unref (filtered);
                 nautilus_file_list_unref (files);
         }
 }