Clean up unreferenced functions

Change-Id: Ie6560c806369a2d1698b4df43710f3aebb10ed6a

extensions/source/macosx/spotlight/GetMetadataForFile.h

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_EXTENSIONS_SOURCE_MACOSX_SPOTLIGHT_GETMETADATAFORFILE_H
+#define INCLUDED_EXTENSIONS_SOURCE_MACOSX_SPOTLIGHT_GETMETADATAFORFILE_H
+
+Boolean GetMetadataForFile(
+    void * thisInterface, CFMutableDictionaryRef attributes,
+    CFStringRef contentTypeUTI, CFStringRef pathToFile);
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

extensions/source/macosx/spotlight/GetMetadataForFile.m

@@ -21,6 +21,7 @@
 #include <CoreServices/CoreServices.h>
 #include <Foundation/Foundation.h>
 
+#include "GetMetadataForFile.h"
 #import "OOoSpotlightImporter.h"
 
 /* -----------------------------------------------------------------------------

extensions/source/macosx/spotlight/main.m

@@ -35,6 +35,8 @@
 #include <CoreFoundation/CFPlugInCOM.h>
 #include <CoreServices/CoreServices.h>
 
+#include "GetMetadataForFile.h"
+
 // -----------------------------------------------------------------------------
 //    constants
 // -----------------------------------------------------------------------------
@@ -54,12 +56,6 @@
 //    typedefs
 // -----------------------------------------------------------------------------
 
-// The import function to be implemented in GetMetadataForFile.c
-Boolean GetMetadataForFile(void *thisInterface,
-               CFMutableDictionaryRef attributes,
-               CFStringRef contentTypeUTI,
-               CFStringRef pathToFile);
-
 // The layout for an instance of MetaDataImporterPlugIn
 typedef struct __MetadataImporterPluginType
 {