Backport r951543 by tmcguire from trunk to the 4.2 branch:
Backport r951543 by tmcguire from trunk to the 4.2 branch:

Also show the unread count if the folder has sub-folders open

Patch by Szokovacs Robert <szo@szo.hu>, thank you!

CCBUG: 188643


svn path=/branches/KDE/4.2/kdepim/; revision=957721

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