Fix two segfaulting geovis tests.
Fix two segfaulting geovis tests.

TestCoincidentGeoGraphRepresentation2D and TestLabeledGeoView2D
would segfault because the labelmapper won't work without
the freetype module which has a concrete implementation for parts of it.

Change-Id: I2c4df23fef91c75c37da6aa0dc435c9a9b00ea6a

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