message: Supress warning 4267 on windows
diff: @@ -344,7 +344,7 @@ if (UNIX)
  -Wformat -Wformat-security -fpie -fwrapv)
  set_source_files_properties("src/cbackend.cpp" PROPERTIES COMPILE_FLAGS "-fno-exceptions")
  else()
  - target_compile_options(${PROJECT_NAME} PRIVATE /W3 /wd4146 /wd4800 /wd4996 /wd4355 /wd4624 /wd4244 /wd4141 /wd4291 /wd4018)
  + target_compile_options(${PROJECT_NAME} PRIVATE /W3 /wd4146 /wd4800 /wd4996 /wd4355 /wd4624 /wd4244 /wd4141 /wd4291 /wd4018 /wd4267)
  # Security options
  target_compile_options(${PROJECT_NAME} PRIVATE /GS /DynamicBase)
  set_source_files_properties(${FLEX_OUTPUT} PROPERTIES COMPILE_FLAGS "/wd4005 /wd4003")
  