Fix grammatical error (#4469).

[ardour.git] / gtk2_ardour / midi_tracer.cc

diff --git a/gtk2_ardour/midi_tracer.cc b/gtk2_ardour/midi_tracer.cc
index f09be50231f8e76edcbde8791d545c673113f42d..357772c91c64735e9b033d4a213f4474b587d0eb 100644 (file)
--- a/gtk2_ardour/midi_tracer.cc
+++ b/gtk2_ardour/midi_tracer.cc
@@ -56,6 +56,7 @@ MidiTracer::MidiTracer ()
        Manager::instance()->PortsChanged.connect (_manager_connection, invalidator (*this), boost::bind (&MidiTracer::ports_changed, this), gui_context());
 
        HBox* pbox = manage (new HBox);
+       pbox->set_spacing (6);
        pbox->pack_start (*manage (new Label (_("Port:"))), false, false);
 
        _port_combo.signal_changed().connect (sigc::mem_fun (*this, &MidiTracer::port_changed));
@@ -117,8 +118,8 @@ MidiTracer::ports_changed ()
        string const c = _port_combo.get_active_text ();
        _port_combo.clear ();
 
-       Manager::PortList const & p = Manager::instance()->get_midi_ports ();
-       for (Manager::PortList::const_iterator i = p.begin(); i != p.end(); ++i) {
+       boost::shared_ptr<const Manager::PortList> p = Manager::instance()->get_midi_ports ();
+       for (Manager::PortList::const_iterator i = p->begin(); i != p->end(); ++i) {
                _port_combo.append_text ((*i)->name());
        }