COMP: link Parallel against opengl when rendering is enabled.

Parallel/CMakeLists.txt

@@ -9,6 +9,7 @@ IF(VTK_USE_RENDERING)
   SET(KIT_PYTHON_LIBS vtkRenderingPythonD ${KIT_PYTHON_LIBS})
   SET(KIT_JAVA_LIBS vtkRenderingJava ${KIT_JAVA_LIBS})
   SET(KIT_INTERFACE_LIBRARIES vtkRendering ${KIT_INTERFACE_LIBRARIES})
+  SET(KIT_LIBS ${KIT_LIBS} ${OPENGL_gl_LIBRARY})
 ENDIF(VTK_USE_RENDERING)
 IF(VTK_HAS_EXODUS)
   SET(KIT_LIBS ${KIT_LIBS} vtkexoIIc)

Rendering/Testing/Cxx/CMakeLists.txt

@@ -99,7 +99,7 @@ CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/TestFBOInclude.h.in
 ADD_EXECUTABLE(TestFBOImplementation
   TestFBOImplementation.cxx)
 TARGET_LINK_LIBRARIES(TestFBOImplementation
-  vtkRendering)
+  vtkRendering ${OPENGL_gl_LIBRARY})
 
 ADD_EXECUTABLE(${KIT}CxxTests ${Tests})
 TARGET_LINK_LIBRARIES(${KIT}CxxTests vtkRendering vtkIO ${OPENGL_gl_LIBRARY})