[gnome-shell] Fix memory leaks

[Colin Walters <walters src gnome org>]

commit f26c9ab24501ed645607b6f6b4966260f6c200d9
Author: Colin Walters <walters verbum org>
Date:   Tue Sep 15 20:13:17 2009 -0400

    Fix memory leaks
    
    Need to free the returned thumbnail path, and in the CachePolicy.NONE
    case we also need to unref the cogl handle.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=595321

 src/shell-texture-cache.c |   14 +++++++++++---
 1 files changed, 11 insertions(+), 3 deletions(-)
---
diff --git a/src/shell-texture-cache.c b/src/shell-texture-cache.c
index 93835af..946021b 100644
--- a/src/shell-texture-cache.c
+++ b/src/shell-texture-cache.c
@@ -427,7 +427,10 @@ impl_load_thumbnail (ShellTextureCache *cache,
   existing_thumbnail = gnome_desktop_thumbnail_factory_lookup (thumbnail_factory, uri, mtime);
 
   if (existing_thumbnail != NULL)
-    pixbuf = gdk_pixbuf_new_from_file_at_size (existing_thumbnail, size, size, error);
+    {
+      pixbuf = gdk_pixbuf_new_from_file_at_size (existing_thumbnail, size, size, error);
+      g_free (existing_thumbnail);
+    }
   else if (gnome_desktop_thumbnail_factory_has_valid_failed_thumbnail (thumbnail_factory, uri, mtime))
     g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Has failed thumbnail");
   else if (gnome_desktop_thumbnail_factory_can_thumbnail (thumbnail_factory, uri, mime_type, mtime))
@@ -744,9 +747,14 @@ on_pixbuf_loaded (GObject      *source,
                              texdata);
       else
         cache_key_destroy (key);
-    }
 
-  set_texture_cogl_texture (data->texture, texdata);
+      set_texture_cogl_texture (data->texture, texdata);
+    }
+  else
+    {
+      set_texture_cogl_texture (data->texture, texdata);
+      cogl_handle_unref (texdata);
+    }
 
 out:
   if (data->icon)