BUGFIX: Fix typo when computing grid spacing
BUGFIX: Fix typo when computing grid spacing

Fixed typo leading to miscalculation of the
grid spacing of the metadata.

berendkleinhaneveld/VTK,sumedhasingla/VTK,cjh1/VTK,berendkleinhaneveld/VTK,jmerkow/VTK,collects/VTK,msmolens/VTK,SimVascular/VTK,jmerkow/VTK,candy7393/VTK,keithroe/vtkoptix,keithroe/vtkoptix,aashish24/VTK-old,johnkit/vtk-dev,ashray/VTK-EVM,sumedhasingla/VTK,aashish24/VTK-old,collects/VTK,cjh1/VTK,ashray/VTK-EVM,hendradarwin/VTK,aashish24/VTK-old,keithroe/vtkoptix,SimVascular/VTK,demarle/VTK,johnkit/vtk-dev,SimVascular/VTK,jmerkow/VTK,johnkit/vtk-dev,cjh1/VTK,msmolens/VTK,gram526/VTK,demarle/VTK,aashish24/VTK-old,cjh1/VTK,collects/VTK,biddisco/VTK,collects/VTK,sankhesh/VTK,gram526/VTK,keithroe/vtkoptix,keithroe/vtkoptix,biddisco/VTK,msmolens/VTK,berendkleinhaneveld/VTK,mspark93/VTK,demarle/VTK,biddisco/VTK,collects/VTK,keithroe/vtkoptix,jmerkow/VTK,mspark93/VTK,jmerkow/VTK,jmerkow/VTK,msmolens/VTK,hendradarwin/VTK,gram526/VTK,SimVascular/VTK,jmerkow/VTK,SimVascular/VTK,sumedhasingla/VTK,hendradarwin/VTK,SimVascular/VTK,sankhesh/VTK,candy7393/VTK,SimVascular/VTK,aashish24/VTK-old,ashray/VTK-EVM,hendradarwin/VTK,gram526/VTK,keithroe/vtkoptix,demarle/VTK,johnkit/vtk-dev,berendkleinhaneveld/VTK,cjh1/VTK,berendkleinhaneveld/VTK,demarle/VTK,berendkleinhaneveld/VTK,msmolens/VTK,sumedhasingla/VTK,ashray/VTK-EVM,sankhesh/VTK,msmolens/VTK,demarle/VTK,hendradarwin/VTK,hendradarwin/VTK,gram526/VTK,collects/VTK,gram526/VTK,mspark93/VTK,SimVascular/VTK,biddisco/VTK,candy7393/VTK,sumedhasingla/VTK,ashray/VTK-EVM,candy7393/VTK,sankhesh/VTK,berendkleinhaneveld/VTK,johnkit/vtk-dev,sumedhasingla/VTK,biddisco/VTK,sumedhasingla/VTK,msmolens/VTK,sankhesh/VTK,johnkit/vtk-dev,demarle/VTK,candy7393/VTK,ashray/VTK-EVM,gram526/VTK,gram526/VTK,mspark93/VTK,mspark93/VTK,sankhesh/VTK,biddisco/VTK,candy7393/VTK,msmolens/VTK,cjh1/VTK,candy7393/VTK,mspark93/VTK,ashray/VTK-EVM,johnkit/vtk-dev,sumedhasingla/VTK,jmerkow/VTK,mspark93/VTK,mspark93/VTK,candy7393/VTK,aashish24/VTK-old,demarle/VTK,biddisco/VTK,keithroe/vtkoptix,ashray/VTK-EVM,hendradarwin/VTK,sankhesh/VTK,sankhesh/VTK