[balsa] Update ChangeLog

[Peter Bloomfield <peterb src gnome org>]

commit c7cefef956656ebf1c77d510f6690f609a4921ca
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Mon Jun 26 18:07:57 2017 -0400

    Update ChangeLog

 ChangeLog |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 7dc4cae..ea1f109 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2017-06-26  Peter Bloomfield  <pbloomfield bellsouth net>
+
+       Assert that a mailbox is either IMAP or local
+
+       * src/main-window.c (bw_mailbox_check): assert that a mailbox is
+       either IMAP or local.
+
 2017-06-25  Peter Bloomfield  <pbloomfield bellsouth net>
 
        Do not store label values that are never read