initialize _step_editor to null

git-svn-id: svn://localhost/ardour2/branches/3.0@7642 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/gtk2_ardour/midi_time_axis.cc b/gtk2_ardour/midi_time_axis.cc
index 62beda87741b58839616bcffe60d178bb275c058..41b811c97d2535d17c8b56c08102d236298bf9b7 100644 (file)
--- a/gtk2_ardour/midi_time_axis.cc
+++ b/gtk2_ardour/midi_time_axis.cc
@@ -116,6 +116,7 @@ MidiTimeAxisView::MidiTimeAxisView (PublicEditor& ed, Session* sess,
        , _midi_thru_item (0)
        , default_channel_menu (0)
        , controller_menu (0)
+        , _step_editor (0)
 {
        subplugin_menu.set_name ("ArdourContextMenu");