[NTOS:SE] In SepCreateClientSecurity(), fix the impersonation level value passed to the SeCopyClientToken() call.

Caught while debugging, in the case the ImpersonationLevel value was
uninitialized, due to the fact it was left untouched on purpose by
PsReferenceEffectiveToken().

ntoskrnl/se/access.c

@@ -225,8 +225,8 @@ SepCreateClientSecurity(IN PACCESS_TOKEN Token,
         /* Do not use direct access and make a copy */
         ClientContext->DirectlyAccessClientToken = FALSE;
         Status = SeCopyClientToken(Token,
-                                   ImpersonationLevel,
-                                   0,
+                                   ClientSecurityQos->ImpersonationLevel,
+                                   KernelMode,
                                    &NewToken);
         if (!NT_SUCCESS(Status))
             return Status;