- Correct args for NtPowerInformation.
- Add stub for NtInitiatePowerAction.

diff --git a/include/winternl.h b/include/winternl.h
index 6e22f8f..44dba8a 100644
--- a/include/winternl.h
+++ b/include/winternl.h
@@ -1460,6 +1460,7 @@
 NTSTATUS  WINAPI NtImpersonateAnonymousToken(HANDLE);
 NTSTATUS  WINAPI NtImpersonateClientOfPort(HANDLE,PPORT_MESSAGE);
 NTSTATUS  WINAPI NtImpersonateThread(HANDLE,HANDLE,PSECURITY_QUALITY_OF_SERVICE);
+NTSTATUS  WINAPI NtInitiatePowerAction(POWER_ACTION,SYSTEM_POWER_STATE,ULONG,BOOLEAN);
 NTSTATUS  WINAPI NtLoadDriver(const UNICODE_STRING *);
 NTSTATUS  WINAPI NtLoadKey(const OBJECT_ATTRIBUTES *,OBJECT_ATTRIBUTES *);
 NTSTATUS  WINAPI NtLockFile(HANDLE,HANDLE,PIO_APC_ROUTINE,void*,PIO_STATUS_BLOCK,PLARGE_INTEGER,PLARGE_INTEGER,ULONG*,BOOLEAN,BOOLEAN);
@@ -1477,6 +1478,7 @@
 NTSTATUS  WINAPI NtOpenThread(HANDLE*,ACCESS_MASK,const OBJECT_ATTRIBUTES*,const CLIENT_ID*);
 NTSTATUS  WINAPI NtOpenThreadToken(HANDLE,DWORD,BOOLEAN,HANDLE *);
 NTSTATUS  WINAPI NtOpenTimer(HANDLE*, ACCESS_MASK, const OBJECT_ATTRIBUTES*);
+NTSTATUS  WINAPI NtPowerInformation(POWER_INFORMATION_LEVEL,PVOID,ULONG,PVOID,ULONG);
 NTSTATUS  WINAPI NtProtectVirtualMemory(HANDLE,PVOID*,ULONG*,ULONG,ULONG*);
 NTSTATUS  WINAPI NtPulseEvent(HANDLE,PULONG);
 NTSTATUS  WINAPI NtQueueApcThread(HANDLE,PNTAPCFUNC,ULONG_PTR,ULONG_PTR,ULONG_PTR);