[gnome-photos] base-item: Disable favoriting albums

[Debarshi Ray <debarshir src gnome org>]

commit 70737fcf114c56acc0e14015430fd1e6abf8c376
Author: Rafael Fonseca <r4f4rfs gmail com>
Date:   Fri Apr 15 16:05:23 2016 +0200

    base-item: Disable favoriting albums
    
    https://bugzilla.gnome.org/show_bug.cgi?id=764680

 src/photos-base-item.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/photos-base-item.c b/src/photos-base-item.c
index 4a700f9..17b3661 100644
--- a/src/photos-base-item.c
+++ b/src/photos-base-item.c
@@ -2200,7 +2200,7 @@ gboolean
 photos_base_item_is_favorite (PhotosBaseItem *self)
 {
   g_return_val_if_fail (PHOTOS_IS_BASE_ITEM (self), FALSE);
-  return self->priv->favorite;
+  return !self->priv->collection && self->priv->favorite;
 }
 
 
@@ -2655,6 +2655,7 @@ void
 photos_base_item_set_favorite (PhotosBaseItem *self, gboolean favorite)
 {
   g_return_if_fail (PHOTOS_IS_BASE_ITEM (self));
+  g_return_if_fail (!self->priv->collection);
   PHOTOS_BASE_ITEM_GET_CLASS (self)->set_favorite (self, favorite);
 }