make newly-added string translatable

git-svn-id: svn://localhost/ardour2/branches/3.0@13588 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/gtk2_ardour/editor_mixer.cc b/gtk2_ardour/editor_mixer.cc
index 27ba1e5e21fe04be200bf54b36c6d544dcb56f3a..b7eb05affcf832adc024d617a6fc55785adb4477 100644 (file)
--- a/gtk2_ardour/editor_mixer.cc
+++ b/gtk2_ardour/editor_mixer.cc
@@ -87,7 +87,7 @@ Editor::show_editor_mixer (bool yn)
                }
 
                if (screen && screen->get_height() < 700) {
-                       Gtk::MessageDialog msg ("This screen is not tall enough to display the editor mixer");
+                       Gtk::MessageDialog msg (_("This screen is not tall enough to display the editor mixer"));
                        msg.run ();
                        return;
                }