MPI fix to make it run with one processor.
MPI fix to make it run with one processor.

Change-Id: I5e409595be2535341ecad2164b518d14cb4bf935

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