ntoskrnl.exe: Add ObGetFilterVersion stub.

dlls/ntoskrnl.exe/ntoskrnl.c

@@ -2328,6 +2328,16 @@ void WINAPI ObUnRegisterCallbacks(void *handle)
 }
 
 /***********************************************************************
+ *           ObGetFilterVersion (NTOSKRNL.EXE.@)
+ */
+USHORT WINAPI ObGetFilterVersion(void)
+{
+    FIXME( "stub:\n" );
+
+    return OB_FLT_REGISTRATION_VERSION;
+}
+
+/***********************************************************************
  *           IoGetAttachedDeviceReference   (NTOSKRNL.EXE.@)
  */
 DEVICE_OBJECT* WINAPI IoGetAttachedDeviceReference( DEVICE_OBJECT *device )

dlls/ntoskrnl.exe/ntoskrnl.exe.spec

@@ -805,6 +805,7 @@
 @ stdcall ObDereferenceObject(ptr)
 @ stub ObDereferenceSecurityDescriptor
 @ stub ObFindHandleForObject
+@ stdcall ObGetFilterVersion()
 @ stub ObGetObjectSecurity
 @ stub ObInsertObject
 @ stub ObLogSecurityDescriptor

include/ddk/wdm.h

@@ -1429,6 +1429,7 @@ static inline void *MmGetSystemAddressForMdlSafe(MDL *mdl, ULONG priority)
 }
 
 void      WINAPI ObDereferenceObject(void*);
+USHORT    WINAPI ObGetFilterVersion(void);
 NTSTATUS  WINAPI ObRegisterCallbacks(POB_CALLBACK_REGISTRATION*, void**);
 NTSTATUS  WINAPI ObReferenceObjectByHandle(HANDLE,ACCESS_MASK,POBJECT_TYPE,KPROCESSOR_MODE,PVOID*,POBJECT_HANDLE_INFORMATION);
 NTSTATUS  WINAPI ObReferenceObjectByName(UNICODE_STRING*,ULONG,ACCESS_STATE*,ACCESS_MASK,POBJECT_TYPE,KPROCESSOR_MODE,void*,void**);