1 files changed, 1 insertions, 0 deletions
diff --git a/mail/mail-types.h b/mail/mail-types.h
index c5b690563d..9f72b23800 100644
--- a/mail/mail-types.h
+++ b/mail/mail-types.h
@@ -29,6 +29,7 @@ extern "C" {
 
 
 typedef struct  _FolderBrowser     FolderBrowser;
+typedef struct  _SubscribeControl  SubscribeControl;
 typedef struct  _MessageList       MessageList;
 typedef struct  _MailDisplay       MailDisplay;