Update the CMake C++ build to point to genauth
Update the CMake C++ build to point to genauth

jethrogb/cloudproxy,jethrogb/cloudproxy,tmroeder/cloudproxy,jethrogb/cloudproxy,jlmucb/cloudproxy,jlmucb/cloudproxy,tmroeder/cloudproxy,jlmucb/cloudproxy,tmroeder/cloudproxy,tmroeder/cloudproxy,jlmucb/cloudproxy,jethrogb/cloudproxy,jethrogb/cloudproxy,tmroeder/cloudproxy,jlmucb/cloudproxy