initialize MidiModel::Change::patch_id (correctlty?)

2 files changed, 4 insertions, 0 deletions

diff --git a/libs/ardour/ardour/midi_model.h b/libs/ardour/ardour/midi_model.h
index 3ecfca7d1c..d70b9ccbe0 100644
--- a/libs/ardour/ardour/midi_model.h
+++ b/libs/ardour/ardour/midi_model.h
@@ -220,6 +220,8 @@ public:
 				uint8_t    new_program;
 				int        new_bank;
 			};
+
+		    Change() : patch_id (-1) {}
 		};
 
 		typedef std::list<Change> ChangeList;
diff --git a/libs/ardour/midi_model.cc b/libs/ardour/midi_model.cc
index 5c1f65d96b..716d511798 100644
--- a/libs/ardour/midi_model.cc
+++ b/libs/ardour/midi_model.cc
@@ -1018,6 +1018,7 @@ MidiModel::PatchChangeDiffCommand::change_channel (PatchChangePtr patch, uint8_t
 	c.patch = patch;
 	c.old_channel = patch->channel ();
 	c.new_channel = channel;
+	c.patch_id = patch->id();
 
 	_changes.push_back (c);
 }
@@ -1030,6 +1031,7 @@ MidiModel::PatchChangeDiffCommand::change_program (PatchChangePtr patch, uint8_t
 	c.patch = patch;
 	c.old_program = patch->program ();
 	c.new_program = program;
+	c.patch_id = patch->id();
 
 	_changes.push_back (c);
 }