Backport r967418 by tmcguire from trunk to the 4.2 branch:
Backport r967418 by tmcguire from trunk to the 4.2 branch:

Merged revisions 964446 via svnmerge from 
svn+ssh://tmcguire@svn.kde.org/home/kde/branches/kdepim/enterprise4/kdepim

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  r964446 | tmcguire | 2009-05-06 19:03:22 +0200 (Wed, 06 May 2009) | 11 lines
  
  Merged revisions 964441 via svnmerge from 
  svn+ssh://tmcguire@svn.kde.org/home/kde/branches/kdepim/enterprise/kdepim
  
  ........
    r964441 | tmcguire | 2009-05-06 18:58:42 +0200 (Wed, 06 May 2009) | 4 lines
    
    Don't crash when we refresh the IMAP cache and a folder has been removed on the server in the meantime.
    
    kolab/issue2459
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svn path=/branches/KDE/4.2/kdepim/; revision=967479

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi