ole32: Implement OleNoteObjectVisible as described by MSDN.

dlls/ole32/ole2.c

@@ -2389,6 +2389,16 @@ BOOL WINAPI OleIsRunning(LPOLEOBJECT pObject)
 }
 
 /***********************************************************************
+ *           OleNoteObjectVisible			    [OLE32.@]
+ */
+HRESULT WINAPI OleNoteObjectVisible(LPUNKNOWN pUnknown, BOOL bVisible)
+{
+    TRACE("(%p, %s)\n", pUnknown, bVisible ? "TRUE" : "FALSE");
+    return CoLockObjectExternal(pUnknown, bVisible, TRUE);
+}
+
+
+/***********************************************************************
  *           OLE_FreeClipDataArray   [internal]
  *
  * NOTES:

dlls/ole32/ole32.spec

@@ -200,7 +200,7 @@
 @ stdcall OleLoadFromStream(ptr ptr ptr)
 @ stdcall OleLockRunning(ptr long long)
 @ stdcall OleMetafilePictFromIconAndLabel(long ptr ptr long)
-@ stub OleNoteObjectVisible
+@ stdcall OleNoteObjectVisible(ptr long)
 @ stdcall OleQueryCreateFromData(ptr)
 @ stdcall OleQueryLinkFromData(ptr)
 @ stdcall OleRegEnumFormatEtc(ptr long ptr)