From f54a4aa9a383c93065735e441355c49ef42129f4 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 9 Nov 2015 10:54:55 +0100
Subject: imap: avoid freeing constant string

The fix in 1a614c6c3 was wrong and would leed to free() of a fixed
string.

Pointed-out-by: Kamil Dudka
---
 lib/imap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/imap.c b/lib/imap.c
index b0809e320..a7409f704 100644
--- a/lib/imap.c
+++ b/lib/imap.c
@@ -654,7 +654,7 @@ static CURLcode imap_perform_list(struct connectdata *conn)
                         imap->custom_params ? imap->custom_params : "");
   else {
     /* Make sure the mailbox is in the correct atom format if necessary */
-    mailbox = imap->mailbox ? imap_atom(imap->mailbox, true) : (char *) "";
+    mailbox = imap->mailbox ? imap_atom(imap->mailbox, true) : strdup("");
     if(!mailbox)
       return CURLE_OUT_OF_MEMORY;
 
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