Bugfix for internal AEgypten bug #1059: This is 2nd part of the bugfix: Do not produce multiple entries in the MIME tree viewer when "encrypted data" entry is clicked repeatedly.
Bugfix for internal AEgypten bug #1059: This is 2nd part of the bugfix: Do not produce multiple entries in the MIME tree viewer when "encrypted data" entry is clicked repeatedly.

svn path=/trunk/kdenetwork/kmail/; revision=157839

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