[balsa] main-window: Oops!

[Peter Bloomfield <peterb src gnome org>]

commit 0f29d82fba15488e8a874983d45ced10e8b1ab9f
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Mon Jul 22 16:20:28 2019 -0400

    main-window: Oops!

 src/main-window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/main-window.c b/src/main-window.c
index c83a11ff4..79af27256 100644
--- a/src/main-window.c
+++ b/src/main-window.c
@@ -3089,7 +3089,7 @@ bw_close_mailbox_on_timer(BalsaWindow * window)
             continue;
 
         if (balsa_app.close_mailbox_auto &&
-            (delta_time = current_time - balsa_index_get_last_use(index)) >
+            (delta_time = current_time - balsa_index_get_last_use_time(index)) >
             balsa_app.close_mailbox_timeout) {
             if (balsa_app.debug)
                 fprintf(stderr, "Closing Page %d unused for %d s\n",