fix problem due to window being deleted prior to disable
fix problem due to window being deleted prior to disable

SimVascular/VTK,candy7393/VTK,demarle/VTK,Wuteyan/VTK,demarle/VTK,sankhesh/VTK,naucoin/VTKSlicerWidgets,daviddoria/PointGraphsPhase1,ashray/VTK-EVM,demarle/VTK,spthaolt/VTK,mspark93/VTK,collects/VTK,gram526/VTK,aashish24/VTK-old,Wuteyan/VTK,gram526/VTK,naucoin/VTKSlicerWidgets,mspark93/VTK,Wuteyan/VTK,sumedhasingla/VTK,arnaudgelas/VTK,sankhesh/VTK,aashish24/VTK-old,biddisco/VTK,jeffbaumes/jeffbaumes-vtk,keithroe/vtkoptix,candy7393/VTK,johnkit/vtk-dev,jeffbaumes/jeffbaumes-vtk,keithroe/vtkoptix,mspark93/VTK,jeffbaumes/jeffbaumes-vtk,jeffbaumes/jeffbaumes-vtk,sumedhasingla/VTK,gram526/VTK,ashray/VTK-EVM,keithroe/vtkoptix,sgh/vtk,demarle/VTK,SimVascular/VTK,cjh1/VTK,msmolens/VTK,sankhesh/VTK,hendradarwin/VTK,naucoin/VTKSlicerWidgets,jmerkow/VTK,sankhesh/VTK,cjh1/VTK,sgh/vtk,sgh/vtk,sankhesh/VTK,msmolens/VTK,spthaolt/VTK,sgh/vtk,demarle/VTK,cjh1/VTK,jmerkow/VTK,mspark93/VTK,SimVascular/VTK,msmolens/VTK,hendradarwin/VTK,berendkleinhaneveld/VTK,daviddoria/PointGraphsPhase1,sankhesh/VTK,arnaudgelas/VTK,sumedhasingla/VTK,daviddoria/PointGraphsPhase1,jmerkow/VTK,biddisco/VTK,spthaolt/VTK,mspark93/VTK,hendradarwin/VTK,demarle/VTK,daviddoria/PointGraphsPhase1,aashish24/VTK-old,arnaudgelas/VTK,ashray/VTK-EVM,candy7393/VTK,sumedhasingla/VTK,biddisco/VTK,collects/VTK,cjh1/VTK,hendradarwin/VTK,keithroe/vtkoptix,jmerkow/VTK,collects/VTK,spthaolt/VTK,hendradarwin/VTK,sgh/vtk,berendkleinhaneveld/VTK,mspark93/VTK,jmerkow/VTK,collects/VTK,ashray/VTK-EVM,sumedhasingla/VTK,daviddoria/PointGraphsPhase1,mspark93/VTK,jeffbaumes/jeffbaumes-vtk,sumedhasingla/VTK,jmerkow/VTK,candy7393/VTK,demarle/VTK,aashish24/VTK-old,biddisco/VTK,Wuteyan/VTK,biddisco/VTK,johnkit/vtk-dev,candy7393/VTK,demarle/VTK,mspark93/VTK,aashish24/VTK-old,cjh1/VTK,collects/VTK,arnaudgelas/VTK,johnkit/vtk-dev,candy7393/VTK,berendkleinhaneveld/VTK,msmolens/VTK,spthaolt/VTK,sankhesh/VTK,msmolens/VTK,berendkleinhaneveld/VTK,keithroe/vtkoptix,SimVascular/VTK,sumedhasingla/VTK,spthaolt/VTK,aashish24/VTK-old,SimVascular/VTK,gram526/VTK,naucoin/VTKSlicerWidgets,johnkit/vtk-dev,johnkit/vtk-dev,SimVascular/VTK,spthaolt/VTK,SimVascular/VTK,sgh/vtk,msmolens/VTK,ashray/VTK-EVM,SimVascular/VTK,daviddoria/PointGraphsPhase1,ashray/VTK-EVM,Wuteyan/VTK,sankhesh/VTK,ashray/VTK-EVM,naucoin/VTKSlicerWidgets,keithroe/vtkoptix,ashray/VTK-EVM,arnaudgelas/VTK,berendkleinhaneveld/VTK,gram526/VTK,biddisco/VTK,naucoin/VTKSlicerWidgets,berendkleinhaneveld/VTK,Wuteyan/VTK,Wuteyan/VTK,gram526/VTK,gram526/VTK,candy7393/VTK,biddisco/VTK,msmolens/VTK,hendradarwin/VTK,johnkit/vtk-dev,cjh1/VTK,johnkit/vtk-dev,sumedhasingla/VTK,candy7393/VTK,arnaudgelas/VTK,hendradarwin/VTK,jeffbaumes/jeffbaumes-vtk,berendkleinhaneveld/VTK,jmerkow/VTK,jmerkow/VTK,keithroe/vtkoptix,collects/VTK,msmolens/VTK,gram526/VTK,keithroe/vtkoptix