Add one more CMake warning fix
Add one more CMake warning fix

This will remove one more warning that can't be stopped from a calling CMakeLists. This possibly should be set to new at some point (CMake 3.3 behavior would be different / better), as well as 0048.
alabuzhev/fmt,cppformat/cppformat,alabuzhev/fmt,alabuzhev/fmt,cppformat/cppformat,cppformat/cppformat