fix midnam-related crash introduced around 13892
git-svn-id: svn://localhost/ardour2/branches/3.0@13897 d708f5d6-7413-0410-9779-e7cbd77b26cf
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@ -782,8 +782,11 @@ MidiTimeAxisView::build_controller_menu ()
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const Glib::ustring model = _midnam_model_selector.get_active_text();
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boost::shared_ptr<MIDINameDocument> midnam = MidiPatchManager::instance()
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.document_by_model(model);
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boost::shared_ptr<MasterDeviceNames> device_names = midnam->master_device_names(
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model);
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boost::shared_ptr<MasterDeviceNames> device_names;
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if (midnam) {
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device_names = midnam->master_device_names(model);
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}
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if (device_names && !device_names->controls().empty()) {
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/* Controllers names available in midnam file, generate fancy menu */
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