COMP: Fix valgrind error for unitialized ivar.
COMP: Fix valgrind error for unitialized ivar.

Change-Id: Ic7a0459513258ab8c04786c33d7518a8e69b4cb8

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