lep: request all the things

`uv_os_fd_t` is already a HANDLE: https://github.com/libuv/libuv/blob/master/include/uv-win.h#L233 :sparkles:  I added it for `uv_fileno` which doesn't return CRT fds, but Windows HANDLE thingies. So, we seem to be on the same page here :+1: