Stub implementation for NtSetInformationToken.

diff --git a/include/winternl.h b/include/winternl.h
index b49db5b..979f720 100644
--- a/include/winternl.h
+++ b/include/winternl.h
@@ -1303,6 +1303,7 @@
 NTSTATUS  WINAPI NtSetInformationKey(HKEY,const int,PVOID,ULONG);
 NTSTATUS  WINAPI NtSetInformationObject(HANDLE, OBJECT_INFORMATION_CLASS, PVOID, ULONG);
 NTSTATUS  WINAPI NtSetInformationThread(HANDLE,THREADINFOCLASS,LPCVOID,ULONG);
+NTSTATUS  WINAPI NtSetInformationToken(HANDLE,TOKEN_INFORMATION_CLASS,PVOID,ULONG);
 NTSTATUS  WINAPI NtSetSecurityObject(HANDLE,SECURITY_INFORMATION,PSECURITY_DESCRIPTOR);
 NTSTATUS  WINAPI NtSetSystemTime(const LARGE_INTEGER*,LARGE_INTEGER*);
 NTSTATUS  WINAPI NtSetTimer(HANDLE, const LARGE_INTEGER*, PTIMERAPCROUTINE, PVOID, BOOLEAN, ULONG, BOOLEAN*);