$100 bounty for help with Windows Service code

[Etienne via Digitalmars-d]

On 2014-08-17 9:11 PM, Vladimir Panteleev wrote:
> Please try changing the definition of SERVICE_STATUS_HANDLE from DWORD
> to size_t. I'll commit a fix to the win32 bindings repository.

Where does `mixin DECLARE_HANDLE!` come from?