Added basic working stubs of new Windows 2000 API functions.

diff --git a/include/ntddk.h b/include/ntddk.h
index 8bc5160..06bd083 100644
--- a/include/ntddk.h
+++ b/include/ntddk.h
@@ -897,6 +897,7 @@
 NTSTATUS WINAPI NtSetEvent(HANDLE,PULONG);
 
 NTSTATUS WINAPI RtlInitializeCriticalSection( RTL_CRITICAL_SECTION *crit );
+NTSTATUS WINAPI RtlInitializeCriticalSectionAndSpinCount( RTL_CRITICAL_SECTION *crit, DWORD spincount );
 NTSTATUS WINAPI RtlDeleteCriticalSection( RTL_CRITICAL_SECTION *crit );
 NTSTATUS WINAPI RtlpWaitForCriticalSection( RTL_CRITICAL_SECTION *crit );
 NTSTATUS WINAPI RtlpUnWaitCriticalSection( RTL_CRITICAL_SECTION *crit );