Simplify and fix setting of CPACK_PACKAGE_FILE_NAME
Simplify and fix setting of CPACK_PACKAGE_FILE_NAME

jafyvilla/CMake,jafyvilla/CMake,biddisco/CMake,jafyvilla/CMake,ptoharia/CMake,hernando/vmmlib,BlueBrain/Tuvok,biddisco/CMake,biddisco/CMake,shurikasa/CMake,ptoharia/CMake,shurikasa/CMake,shuaibarshad/KAUST-CMake,shuaibarshad/KAUST-CMake,biddisco/CMake,jafyvilla/CMake,ptoharia/CMake,hernando/vmmlib,shurikasa/CMake,hernando/vmmlib,shuaibarshad/KAUST-CMake,rballester/vmmlib,rballester/vmmlib,rballester/vmmlib,tribal-tec/vmmlib,ptoharia/CMake,BlueBrain/Tuvok,shuaibarshad/KAUST-CMake,BlueBrain/Tuvok,shurikasa/CMake