Re: [PATCH 0/1] MR7356: http.sys: Avoid crashes in complete_irp() if http header value is space

[Elizabeth Figura (＠zfigura)]

This seems a bit more idiomatic:

```
while (p > *value && isspace(p[-1])) --p;
*value_len = p - *value;
```

Also, why are you modifying parse_header() to no longer return negative lengths, but then also modifying the callers to deal with them?