BTW, when I run the resulting version of Wireshark, I get:
(wireshark:1004): Gtk-WARNING **: Attempting to add a widget with type GtkVBox to a container of type GtkFrame, but the widget is already inside a container of type GtkFrame, the GTK+ FAQ at http://library.gnome.org/devel/gtk-faq/stable/ explains how to reparent a widget.
(wireshark:1004): Gtk-WARNING **: Attempting to add a widget with type GtkVBox to a container of type GtkFrame, but the widget is already inside a container of type GtkFrame, the GTK+ FAQ at http://library.gnome.org/devel/gtk-faq/stable/ explains how to reparent a widget.
(wireshark:1004): Gtk-WARNING **: Attempting to add a widget with type GtkVBox to a container of type GtkFrame, but the widget is already inside a container of type GtkFrame, the GTK+ FAQ at http://library.gnome.org/devel/gtk-faq/stable/ explains how to reparent a widget.
(wireshark:1004): Gtk-WARNING **: Attempting to add a widget with type GtkVBox to a container of type GtkFrame, but the widget is already inside a container of type GtkFrame, the GTK+ FAQ at http://library.gnome.org/devel/gtk-faq/stable/ explains how to reparent a widget.