2 files changed, 4 insertions, 1 deletions
diff --git a/libs/ardour/ardour/file_source.h b/libs/ardour/ardour/file_source.h
index 3d9c8c623f..6991840beb 100644
--- a/libs/ardour/ardour/file_source.h
+++ b/libs/ardour/ardour/file_source.h
@@ -82,6 +82,8 @@ public:
 	
 	static PBD::Signal3<int,std::string,std::string,std::vector<std::string> > AmbiguousFileName;
 
+	virtual void prevent_deletion ();
+
 protected:
 	FileSource (Session& session, DataType type,
 	            const std::string& path,
@@ -103,7 +105,6 @@ protected:
 	std::string _origin;
 	bool        _open;
 
-	void prevent_deletion ();
 };
 
 } // namespace ARDOUR
diff --git a/libs/ardour/ardour/smf_source.h b/libs/ardour/ardour/smf_source.h
index ca337a62c2..e422d37f62 100644
--- a/libs/ardour/ardour/smf_source.h
+++ b/libs/ardour/ardour/smf_source.h
@@ -69,6 +69,8 @@ public:
 
 	static bool safe_midi_file_extension (const std::string& path);
 
+	void prevent_deletion ();
+
   protected:
 	void set_path (const std::string& newpath);