[PATCH 0/1] MR2363: Update dlls/ntdll/wcstring.c

[li wenzhe (＠chrisli)]

LPWSTR __cdecl wcsncpy( LPWSTR s1, LPCWSTR s2, size_t n )
{
    WCHAR *ret = s1;
**//When encountering 0, the loop will jump out directly, but the pointer of s1 has been++, which leads to the memory overflow of the second for**
    for ( ; n; n--) if (!(*s1++ = *s2++)) break; 
    for ( ; n; n--) *s1++ = 0;
    return ret;
}