fixes a big I found with empty request.
fixes a big I found with empty request.

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