Fixed BUG #12791. isprint() was asserting for accented characters.
Fixed BUG #12791. isprint() was asserting for accented characters.

isprint() was asserting for accented characters on VS 2010. Fixed that by
detecting extended ASCII characters explicitly.

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