Reimplemented GetFileAttributesW, SetFileAttributesW and SetFileTime
using the corresponding ntdll functionality.

diff --git a/include/winternl.h b/include/winternl.h
index 19e497d..86ae5a5 100644
--- a/include/winternl.h
+++ b/include/winternl.h
@@ -1171,6 +1171,7 @@
 NTSTATUS  WINAPI NtProtectVirtualMemory(HANDLE,PVOID*,ULONG*,ULONG,ULONG*);
 NTSTATUS  WINAPI NtPulseEvent(HANDLE,PULONG);
 NTSTATUS  WINAPI NtQueueApcThread(HANDLE,PNTAPCFUNC,ULONG_PTR,ULONG_PTR,ULONG_PTR);
+NTSTATUS  WINAPI NtQueryAttributesFile(const OBJECT_ATTRIBUTES*,FILE_BASIC_INFORMATION*);
 NTSTATUS  WINAPI NtQueryDefaultLocale(BOOLEAN,LCID*);
 NTSTATUS  WINAPI NtQueryDirectoryFile(HANDLE,HANDLE,PIO_APC_ROUTINE,PVOID,PIO_STATUS_BLOCK,PVOID,ULONG,FILE_INFORMATION_CLASS,BOOLEAN,PUNICODE_STRING,BOOLEAN);
 NTSTATUS  WINAPI NtQueryInformationFile(HANDLE,PIO_STATUS_BLOCK,PVOID,LONG,FILE_INFORMATION_CLASS);