From 94b6304d135872dae4fd2f52e4222023d10ae3df Mon Sep 17 00:00:00 2001
From: Dmitry Isaikin <isaikin@corp.mail.ru>
Date: Wed, 16 Mar 2016 17:38:29 +0300
Subject: Do not lose localizedDescription of error in
 MCOIMAPCheckAccountOperation

---
 src/objc/imap/MCOIMAPCheckAccountOperation.mm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/objc/imap/MCOIMAPCheckAccountOperation.mm b/src/objc/imap/MCOIMAPCheckAccountOperation.mm
index f1aa59b4..42472431 100644
--- a/src/objc/imap/MCOIMAPCheckAccountOperation.mm
+++ b/src/objc/imap/MCOIMAPCheckAccountOperation.mm
@@ -62,7 +62,8 @@ typedef void (^CompletionType)(NSError *error);
     } else {
         NSError * error = [NSError mco_errorWithErrorCode:op->error()];
         if (op->loginResponse() != NULL) {
-            NSDictionary * userInfo = @{@"IMAPServerError": MCO_TO_OBJC(op->loginResponse())};
+            NSMutableDictionary * userInfo = [[error userInfo] mutableCopy];
+            userInfo[@"IMAPServerError"] = MCO_TO_OBJC(op->loginResponse());
             error = [NSError errorWithDomain:[error domain] code:[error code] userInfo:userInfo];
         }
         _completionBlock(error);
-- 
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