Fixed STLReader regression vs VTK 5.10.1
Fixed STLReader regression vs VTK 5.10.1

Normally stl text files are of the form:

solid foo\n
<stuff>\n
endsolid foo\n

But SolidWorks generates them like:

solid foo\n
<stuff>\n
endsolid

With no trailing "foo" and no trailing newline.
That may or may not be valid, but VTK 5.10.1
opened such files, but I've just found
that VTK 6.2/master does not.

SimVascular/VTK,sankhesh/VTK,sankhesh/VTK,jmerkow/VTK,sumedhasingla/VTK,sumedhasingla/VTK,demarle/VTK,jmerkow/VTK,gram526/VTK,gram526/VTK,demarle/VTK,demarle/VTK,sumedhasingla/VTK,msmolens/VTK,demarle/VTK,sankhesh/VTK,gram526/VTK,keithroe/vtkoptix,candy7393/VTK,gram526/VTK,mspark93/VTK,SimVascular/VTK,candy7393/VTK,SimVascular/VTK,SimVascular/VTK,msmolens/VTK,msmolens/VTK,msmolens/VTK,jmerkow/VTK,gram526/VTK,candy7393/VTK,keithroe/vtkoptix,mspark93/VTK,msmolens/VTK,mspark93/VTK,candy7393/VTK,sankhesh/VTK,keithroe/vtkoptix,sumedhasingla/VTK,sankhesh/VTK,demarle/VTK,gram526/VTK,demarle/VTK,mspark93/VTK,keithroe/vtkoptix,candy7393/VTK,jmerkow/VTK,mspark93/VTK,SimVascular/VTK,jmerkow/VTK,msmolens/VTK,mspark93/VTK,candy7393/VTK,sankhesh/VTK,jmerkow/VTK,SimVascular/VTK,sumedhasingla/VTK,demarle/VTK,keithroe/vtkoptix,demarle/VTK,mspark93/VTK,sankhesh/VTK,SimVascular/VTK,sumedhasingla/VTK,keithroe/vtkoptix,SimVascular/VTK,jmerkow/VTK,jmerkow/VTK,gram526/VTK,sankhesh/VTK,sumedhasingla/VTK,keithroe/vtkoptix,msmolens/VTK,keithroe/vtkoptix,mspark93/VTK,sumedhasingla/VTK,candy7393/VTK,gram526/VTK,msmolens/VTK,candy7393/VTK