Add missing namespace qualifiers.

2 files changed, 3 insertions, 3 deletions

diff --git a/libs/ardour/ardour/midi_diskstream.h b/libs/ardour/ardour/midi_diskstream.h
index 91fb891f17..70b4454118 100644
--- a/libs/ardour/ardour/midi_diskstream.h
+++ b/libs/ardour/ardour/midi_diskstream.h
@@ -55,7 +55,7 @@ class Session;
 class LIBARDOUR_API MidiDiskstream : public Diskstream
 {
   public:
-	MidiDiskstream (Session &, const string& name, Diskstream::Flag f = Recordable);
+	MidiDiskstream (Session &, const std::string& name, Diskstream::Flag f = Recordable);
 	MidiDiskstream (Session &, const XMLNode&);
 	~MidiDiskstream();
 
@@ -147,7 +147,7 @@ class LIBARDOUR_API MidiDiskstream : public Diskstream
 
 	int use_new_write_source (uint32_t n=0);
 
-	int find_and_use_playlist (const string&);
+	int find_and_use_playlist (const std::string&);
 
 	void allocate_temporary_buffers ();
 
diff --git a/libs/ardour/ardour/midi_track.h b/libs/ardour/ardour/midi_track.h
index 3db16937fc..dbfd18c090 100644
--- a/libs/ardour/ardour/midi_track.h
+++ b/libs/ardour/ardour/midi_track.h
@@ -38,7 +38,7 @@ class Session;
 class LIBARDOUR_API MidiTrack : public Track
 {
 public:
-	MidiTrack (Session&, string name, Route::Flag f = Route::Flag (0), TrackMode m = Normal);
+	MidiTrack (Session&, std::string name, Route::Flag f = Route::Flag (0), TrackMode m = Normal);
 	~MidiTrack ();
 
 	int init ();