[Paraview] Multiple input port filters: cannot set the second input

[Utkarsh Ayachit]

> Moreover, when I start up paraview in builtin mode, the server in the pipeline
> view is merely called "b", only when opening a file it becomes "builtin".

I've committed a fix for this.

/cvsroot/ParaView3/ParaView3/Qt/Components/pqPipelineBrowserWidget.cxx,v
 <--  Qt/Components/pqPipelineBrowserWidget.cxx
new revision: 1.4; previous revision: 1.3