Append missing `#endif`

I got 2 errors in compilation.

```
vedis.c:6260:2: error: unterminated conditional directive
#ifdef __WIN_CE__
 ^
vedis.c:6247:2: error: unterminated conditional directive
#ifdef __WINNT__
 ^
2 errors generated.
```
This pull request will fix it.
btw, attach [?w=1](https://github.com/symisc/vedis/pull/1/files?w=1) in the `Files Changed` URL will be fine.