Build: Add missing $s in used CMAKE_FLAGS variables.
Build: Add missing $s in used CMAKE_FLAGS variables.

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