Added missing include. QStrList -> QStringList.
Added missing include.
QStrList -> QStringList.

svn path=/trunk/kdeutils/knotes/; revision=20080

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