Add forgotten CMakeList change.
Add forgotten CMakeList change.

libmv/libmv,petertsoi/libmv,Nazg-Gul/libmv,SoylentGraham/libmv,libmv/libmv,keir/libmv,libmv/libmv,rgkoo/libmv-blender,Nazg-Gul/libmv,keir/libmv,libmv/libmv,keir/libmv,rgkoo/libmv-blender,SoylentGraham/libmv,SoylentGraham/libmv,petertsoi/libmv,petertsoi/libmv,Nazg-Gul/libmv,petertsoi/libmv,rgkoo/libmv-blender,rgkoo/libmv-blender,Nazg-Gul/libmv,Nazg-Gul/libmv,SoylentGraham/libmv,keir/libmv,rgkoo/libmv-blender