Code analysis says Inconsistent annotation for ‘wWinMain’ : this instance has no annotations

The declaration of wWinMain in winbase.h (mentioned in the error) is:

wWinMain(
    _In_ HINSTANCE hInstance,
    _In_opt_ HINSTANCE hPrevInstance,
    _In_ LPWSTR lpCmdLine,
    _In_ int nShowCmd
    );

Your implementation of wWinMain in main.cpp is missing the SAL annotations and Code Analysis is warning you about the mismatch.