message: Avoid deprecated CMake variable
diff: @@ -128,7 +128,7 @@ endif()
  # Install SSL libraries.
  if(NOT APPLE)
  if(WIN32)
  - if(CMAKE_CL_64)
  + if(CMAKE_SIZEOF_VOID_P EQUAL 8)
  set(SSL_LIB_SUFFIX "-1_1-x64.dll")
  else()
  set(SSL_LIB_SUFFIX "-1_1.dll")
  