[grilo] test-ui: Plug some leaks

[Juan A. Suarez Romero <jasuarez src gnome org>]

commit c4cb7e22ef157ce4ad98dbc195d4d851071aad70
Author: Juan A. Suarez Romero <jasuarez igalia com>
Date:   Wed Apr 13 11:31:09 2011 +0000

    test-ui: Plug some leaks
    
    Signed-off-by: Juan A. Suarez Romero <jasuarez igalia com>

 tools/grilo-test-ui/main.c |   15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)
---
diff --git a/tools/grilo-test-ui/main.c b/tools/grilo-test-ui/main.c
index ba536c4..9620517 100644
--- a/tools/grilo-test-ui/main.c
+++ b/tools/grilo-test-ui/main.c
@@ -359,10 +359,16 @@ get_icon_for_media (GrlMedia *media)
 static GList *
 browse_keys (void)
 {
-  return grl_metadata_key_list_new (GRL_METADATA_KEY_ID,
-                                    GRL_METADATA_KEY_TITLE,
-                                    GRL_METADATA_KEY_CHILDCOUNT,
-                                    NULL);
+  static GList *keys = NULL;
+
+  if (!keys) {
+    keys = grl_metadata_key_list_new (GRL_METADATA_KEY_ID,
+                                      GRL_METADATA_KEY_TITLE,
+                                      GRL_METADATA_KEY_CHILDCOUNT,
+                                      NULL);
+  }
+
+  return keys;
 }
 
 static GList *
@@ -1580,7 +1586,6 @@ ui_setup (void)
   gtk_button_set_image (GTK_BUTTON (view->back_btn),
 			gtk_image_new_from_stock (GTK_STOCK_GO_BACK,
 						  GTK_ICON_SIZE_BUTTON));
-  box = gtk_hbox_new (FALSE, 0);
   view->store_btn = gtk_button_new ();
   gtk_button_set_image (GTK_BUTTON (view->store_btn),
 			gtk_image_new_from_stock (GTK_STOCK_ADD,