Strip newlines from GL2PS comments.
Strip newlines from GL2PS comments.

These are messing up the exported files.

Change-Id: I49a0470a05850ec36fc82175d7e8b2df5fb8705f

demarle/VTK,gram526/VTK,mspark93/VTK,mspark93/VTK,demarle/VTK,SimVascular/VTK,ashray/VTK-EVM,sankhesh/VTK,jmerkow/VTK,msmolens/VTK,SimVascular/VTK,gram526/VTK,sumedhasingla/VTK,mspark93/VTK,hendradarwin/VTK,sankhesh/VTK,candy7393/VTK,johnkit/vtk-dev,ashray/VTK-EVM,keithroe/vtkoptix,ashray/VTK-EVM,hendradarwin/VTK,mspark93/VTK,demarle/VTK,gram526/VTK,hendradarwin/VTK,hendradarwin/VTK,sumedhasingla/VTK,gram526/VTK,johnkit/vtk-dev,mspark93/VTK,msmolens/VTK,jmerkow/VTK,keithroe/vtkoptix,candy7393/VTK,msmolens/VTK,johnkit/vtk-dev,demarle/VTK,gram526/VTK,msmolens/VTK,candy7393/VTK,candy7393/VTK,sumedhasingla/VTK,SimVascular/VTK,sumedhasingla/VTK,candy7393/VTK,johnkit/vtk-dev,jmerkow/VTK,jmerkow/VTK,gram526/VTK,sumedhasingla/VTK,mspark93/VTK,keithroe/vtkoptix,ashray/VTK-EVM,demarle/VTK,ashray/VTK-EVM,SimVascular/VTK,gram526/VTK,jmerkow/VTK,gram526/VTK,keithroe/vtkoptix,SimVascular/VTK,mspark93/VTK,sumedhasingla/VTK,jmerkow/VTK,johnkit/vtk-dev,johnkit/vtk-dev,sankhesh/VTK,ashray/VTK-EVM,johnkit/vtk-dev,sumedhasingla/VTK,sankhesh/VTK,keithroe/vtkoptix,mspark93/VTK,sankhesh/VTK,sankhesh/VTK,msmolens/VTK,hendradarwin/VTK,candy7393/VTK,SimVascular/VTK,keithroe/vtkoptix,demarle/VTK,demarle/VTK,ashray/VTK-EVM,jmerkow/VTK,keithroe/vtkoptix,candy7393/VTK,hendradarwin/VTK,sankhesh/VTK,msmolens/VTK,candy7393/VTK,msmolens/VTK,sankhesh/VTK,demarle/VTK,sumedhasingla/VTK,jmerkow/VTK,SimVascular/VTK,hendradarwin/VTK,msmolens/VTK,ashray/VTK-EVM,SimVascular/VTK,keithroe/vtkoptix