Merged revisions 306962 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r306962 | jpeeler | 2011-02-08 13:25:38 -0600 (Tue, 08 Feb 2011) | 22 lines
  
  Merged revisions 306961 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
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    r306961 | jpeeler | 2011-02-08 13:25:10 -0600 (Tue, 08 Feb 2011) | 15 lines
    
    Merged revisions 306960 via svnmerge from 
    https://origsvn.digium.com/svn/asterisk/branches/1.4
    
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      r306960 | jpeeler | 2011-02-08 13:18:50 -0600 (Tue, 08 Feb 2011) | 9 lines
      
      Backup file storing message duration is not used with IMAP_STORAGE, remove code.
      
      The message duration is stored in the body of the email when using IMAP_STORAGE,
      so nothing needs to happen with the backup file.
      
      (closes issue #18718)
      Reported by: kerframil
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@306963 65c4cc65-6c06-0410-ace0-fbb531ad65f3