optimized writing summary cache.

git-svn-id: svn://sylpheed.sraoss.jp/sylpheed/trunk@285 ee746299-78ed-0310-b773-934348b2243d

1 files changed, 2 insertions, 0 deletions

diff --git a/src/folder.h b/src/folder.h
index 5b397878..66497704 100644
--- a/src/folder.h
+++ b/src/folder.h
@@ -255,6 +255,8 @@ struct _FolderItem
 	guint opened    : 1; /* opened by summary view */
 	guint updated   : 1; /* folderview should be updated */
 
+	guint cache_dirty : 1; /* cache file needs to be updated */
+
 	FolderSortKey sort_key;
 	FolderSortType sort_type;