From 9384884d2ea33c438a1b28a2b19666ae7f21fe6a Mon Sep 17 00:00:00 2001
From: Richard Russon <rich@flatcap.org>
Date: Wed, 6 Jul 2016 12:31:02 -0700
Subject: [PATCH] Fix sidebar crash for non-existent mailbox

If you <change-folder> to a non-existent mailbox, there will be no
Context.
---
 sidebar.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sidebar.c b/sidebar.c
index 12971e52..3c2d9c03 100644
--- a/sidebar.c
+++ b/sidebar.c
@@ -886,6 +886,9 @@ void mutt_sb_set_open_buffy (void)
 
   OpnIndex = -1;
 
+  if (!Context)
+    return;
+
   for (entry = 0; entry < EntryCount; entry++)
   {
     if (!mutt_strcmp (Entries[entry]->buffy->realpath, Context->realpath))
-- 
2.50.1