BUG: Fixed bugs where counter was being over-decremented.
BUG: Fixed bugs where counter was being over-decremented.

Small bug in the loop logic caused SkippedCells to be over-
decremented, preventing the iterator from moving to the next
cell.

Change-Id: Ibc42a4a40bcc16e794e6aa5082693bfdeeb2fb7b

hendradarwin/VTK,jmerkow/VTK,demarle/VTK,gram526/VTK,SimVascular/VTK,jmerkow/VTK,SimVascular/VTK,jmerkow/VTK,demarle/VTK,gram526/VTK,johnkit/vtk-dev,berendkleinhaneveld/VTK,mspark93/VTK,ashray/VTK-EVM,sankhesh/VTK,ashray/VTK-EVM,msmolens/VTK,candy7393/VTK,keithroe/vtkoptix,sankhesh/VTK,candy7393/VTK,sankhesh/VTK,candy7393/VTK,berendkleinhaneveld/VTK,msmolens/VTK,msmolens/VTK,gram526/VTK,jmerkow/VTK,demarle/VTK,SimVascular/VTK,sumedhasingla/VTK,jmerkow/VTK,sumedhasingla/VTK,hendradarwin/VTK,ashray/VTK-EVM,sumedhasingla/VTK,demarle/VTK,berendkleinhaneveld/VTK,candy7393/VTK,candy7393/VTK,keithroe/vtkoptix,mspark93/VTK,SimVascular/VTK,jmerkow/VTK,keithroe/vtkoptix,SimVascular/VTK,johnkit/vtk-dev,candy7393/VTK,keithroe/vtkoptix,johnkit/vtk-dev,mspark93/VTK,keithroe/vtkoptix,msmolens/VTK,hendradarwin/VTK,msmolens/VTK,demarle/VTK,johnkit/vtk-dev,ashray/VTK-EVM,sankhesh/VTK,candy7393/VTK,msmolens/VTK,keithroe/vtkoptix,mspark93/VTK,ashray/VTK-EVM,gram526/VTK,jmerkow/VTK,sankhesh/VTK,gram526/VTK,ashray/VTK-EVM,berendkleinhaneveld/VTK,keithroe/vtkoptix,sankhesh/VTK,sumedhasingla/VTK,berendkleinhaneveld/VTK,mspark93/VTK,sumedhasingla/VTK,johnkit/vtk-dev,SimVascular/VTK,hendradarwin/VTK,berendkleinhaneveld/VTK,sumedhasingla/VTK,demarle/VTK,ashray/VTK-EVM,demarle/VTK,ashray/VTK-EVM,SimVascular/VTK,sankhesh/VTK,berendkleinhaneveld/VTK,johnkit/vtk-dev,msmolens/VTK,sumedhasingla/VTK,candy7393/VTK,mspark93/VTK,mspark93/VTK,gram526/VTK,hendradarwin/VTK,msmolens/VTK,demarle/VTK,johnkit/vtk-dev,gram526/VTK,hendradarwin/VTK,keithroe/vtkoptix,sumedhasingla/VTK,jmerkow/VTK,gram526/VTK,mspark93/VTK,sankhesh/VTK,SimVascular/VTK,hendradarwin/VTK