[gnome-photos] organize-collection-model, view-model: Simplify code

[Debarshi Ray <debarshir src gnome org>]

commit b580b5428ea1567a2772b82eae5f006749bb63d8
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Dec 29 10:38:04 2015 +0100

    organize-collection-model, view-model: Simplify code

 src/photos-organize-collection-model.c |    2 +-
 src/photos-view-model.c                |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/photos-organize-collection-model.c b/src/photos-organize-collection-model.c
index 669441e..ea4781c 100644
--- a/src/photos-organize-collection-model.c
+++ b/src/photos-organize-collection-model.c
@@ -210,7 +210,7 @@ photos_organize_collection_model_init (PhotosOrganizeCollectionModel *self)
   app = g_application_get_default ();
   state = photos_search_context_get_state (PHOTOS_SEARCH_CONTEXT (app));
 
-  gtk_list_store_set_column_types (GTK_LIST_STORE (self), sizeof (columns) / sizeof (columns[0]), columns);
+  gtk_list_store_set_column_types (GTK_LIST_STORE (self), G_N_ELEMENTS (columns), columns);
 
   priv->manager = g_object_ref (state->item_mngr);
 
diff --git a/src/photos-view-model.c b/src/photos-view-model.c
index 9a3d043..9f05c1f 100644
--- a/src/photos-view-model.c
+++ b/src/photos-view-model.c
@@ -510,7 +510,7 @@ photos_view_model_init (PhotosViewModel *self)
   app = g_application_get_default ();
   state = photos_search_context_get_state (PHOTOS_SEARCH_CONTEXT (app));
 
-  gtk_list_store_set_column_types (GTK_LIST_STORE (self), sizeof (columns) / sizeof (columns[0]), columns);
+  gtk_list_store_set_column_types (GTK_LIST_STORE (self), G_N_ELEMENTS (columns), columns);
   gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (self), PHOTOS_VIEW_MODEL_MTIME, 
GTK_SORT_DESCENDING);
 
   priv->info_updated_ids = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);