Update CMakeLists.txt
Update CMakeLists.txt

Updated src/Core/CMakeLists.txt to match vcpkg usage. Fixes #323
Mizugola/MeltingSaga,Mizugola/MeltingSagaEngine,Mizugola/MeltingSagaEngine,Sygmei/ObEngine,Mizugola/MeltingSaga,Sygmei/ObEngine