[Mutt] #3457: mutt crashes on accessing pop3 folder with message_cachedir option set

[Mutt <fleas@xxxxxxxx>]

#3457: mutt crashes on accessing pop3 folder with message_cachedir option set
----------------------------------------+-----------------------------------
 Reporter:  yz                          |       Owner:  mutt-dev
     Type:  defect                      |      Status:  new     
 Priority:  critical                    |   Milestone:          
Component:  body cache                  |     Version:          
 Keywords:  message_cachedir pop crash  |  
----------------------------------------+-----------------------------------
 ~/.muttrc:set message_cachedir=+.message_cache

 yz@yz> ls -ldo ~/Mail/.message_cache
 drwx------  2 yz  yz  - 512 Sep 30 13:28 /home/yz/Mail/.message_cache

 yz@yz> mutt -f 'pop://yz@xxxxx'
 Authenticating (APOP)...Segmentation fault (core dumped)

 unsetting 'message_cachedir' resolves th problem.

-- 
Ticket URL: <http://dev.mutt.org/trac/ticket/3457>
Mutt <http://www.mutt.org/>
The Mutt mail user agent