Fix ConfigVariable.h to support gcc-4.6 (ships with Ubuntu 12.10).
Fix ConfigVariable.h to support gcc-4.6 (ships with Ubuntu 12.10).

ketoo/Astron,blindsighttf2/Astron,pizcogirl/Astron,pizcogirl/Astron,ketoo/Astron,blindsighttf2/Astron,pizcogirl/Astron,ketoo/Astron,pizcogirl/Astron,blindsighttf2/Astron,blindsighttf2/Astron,ketoo/Astron