cmake MSPACK examples

wxWidgets/wxWidgets build/cmake/init.cmake :723 

find_package(MSPACK)

Ravbug/UnityHubNative wxWidgets/build/cmake/init.cmake :677 

find_package(MSPACK)

MiKTeX/miktex CMakeLists.txt :1237 

find_package(MSPACK REQUIRED)

Cisco-Talos/clamav CMakeLists.txt :1041 

find_package(MSPack REQUIRED)