advapi32: sign-compare fixes

[Vitaliy Margolen]

Joris Huizer wrote:
> - int len = WideCharToMultiByte(CP_ACP, 0, lpNameW, -1, lpName,
> + unsigned int len = WideCharToMultiByte(CP_ACP, 0, lpNameW, -1, lpName,
This isn't right. WideCharToMultiByte returns INT, which is signed.

> @@ -1995,11 +1995,11 @@ LookupAccountSidW(
>  
>      if (dm) {
>          BOOL status = TRUE;
> -        if (*accountSize > lstrlenW(ac)) {
> +        if (*accountSize > (unsigned)lstrlenW(ac)) {
>              if (account)
>                  lstrcpyW(account, ac);
>          }
> -        if (*domainSize > lstrlenW(dm)) {
> +        if (*domainSize > (unsigned)lstrlenW(dm)) {
>              if (domain)
>                  lstrcpyW(domain, dm);
>          }
This isn't correct either. lstrlenW() also returns INT and you
can't just cast it to (unsigned). Unsigned what? int/long/dword?

Vitaliy.