BUG: 52223
BUG: 52223

escape subject text when generating the tooltip to avoid
using/executing HTML code existing in the subject text

svn path=/trunk/KDE/kdepim/; revision=1005635

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