[REVIEW 3-6-3][REVIEWED 3-6] fix for fdo#54552, only use non blank cells in the visible data methods in ScColumn

[David Tardon]

Hi,

On Wed, Oct 17, 2012 at 04:28:27PM +0200, Markus Mohrhard wrote:
> Hey,
> 
> [1] fixes the problem that blank cells, like broadcaster, cells are
> considerend non empty for the "visible" methods.

Pushed with my sign-off.

Correct me if I am mistaken, but shouldn't the same check be used in
GetFirstVisDataPos and VisibleCount too?

D.