forward port SVN commit 639786 by winterz:
forward port SVN commit 639786 by winterz:

fix "deleting maildir does not delete associated .index.ids file"
Thanks for the patch CSights.

svn path=/trunk/KDE/kdepim/; revision=639788

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