Improve the statusbar modified flag for $maildir_trash.

Add a context counter for the trash status flag.  Compare that to the
number of deleted messages to determine modified state.

Note that "undeleting" a trashed message will set context->changed.
Without that we couldn't do a simple counter comparison.  But with
context->changed checked first, we can assume equal trash and deleted
flags then means there are no "delete" modifications pending.

1 files changed, 4 insertions, 0 deletions

diff --git a/mutt.h b/mutt.h
index e4b88788..4aa92e85 100644
--- a/mutt.h
+++ b/mutt.h
@@ -1109,6 +1109,10 @@ typedef struct _context
   int new;			/* how many new messages? */
   int unread;			/* how many unread messages? */
   int deleted;			/* how many deleted messages */
+  int trashed;			/* how many marked as trashed on disk.
+                                 * This flag is used by the maildir_trash
+                                 * option.
+                                 */
   int flagged;			/* how many flagged messages */
   int msgnotreadyet;		/* which msg "new" in pager, -1 if none */