COMP: Fix compile issue with cygwin and mingw compilers.
COMP: Fix compile issue with cygwin and mingw compilers.

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