Enable/disable the subject threading action based on the state of the threading action directly to make it less likely to go out of sync.
Enable/disable the subject threading action based on the state of the
threading action directly to make it less likely to go out of sync.

svn path=/trunk/kdepim/; revision=251984

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