[geary/wip/save-sent-713263] Mark as SEEN when not UNREAD

[Charles Lindsay <clindsay src gnome org>]

commit c7b4313ba8647799ec0059f4ef7e27d7fe93d7b1
Author: Charles Lindsay <chaz yorba org>
Date:   Tue Jan 28 17:54:02 2014 -0800

    Mark as SEEN when not UNREAD

 src/engine/imap/api/imap-folder.vala |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/engine/imap/api/imap-folder.vala b/src/engine/imap/api/imap-folder.vala
index a38dc75..66edbcd 100644
--- a/src/engine/imap/api/imap-folder.vala
+++ b/src/engine/imap/api/imap-folder.vala
@@ -887,6 +887,8 @@ private class Geary.Imap.Folder : BaseObject {
         if (flags != null) {
             Imap.EmailFlags imap_flags = Imap.EmailFlags.from_api_email_flags(flags);
             msg_flags = imap_flags.message_flags;
+        } else {
+            msg_flags = new MessageFlags(new Geary.Collection.SingleItem<MessageFlag>(MessageFlag.SEEN));
         }
         
         InternalDate? internaldate = null;