backport SVN commit 923471 by winterz:
backport SVN commit 923471 by winterz:

fix a crash in insertIncidence() where the curCol can get too large.


svn path=/branches/KDE/4.2/kdepim/; revision=923484

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