1 files changed, 1 insertions, 0 deletions
diff --git a/riscos/gui.h b/riscos/gui.h
index b894a1e01..6153be6f8 100644
--- a/riscos/gui.h
+++ b/riscos/gui.h
@@ -97,6 +97,7 @@ void ro_gui_copy_selection(gui_window* g);
 void ro_gui_open_help_page(void);
 void ro_gui_screen_size(int *width, int *height);
 void ro_gui_view_source(struct content *content);
+void ro_gui_drag_box_start(wimp_pointer *pointer);
 
 /* in menus.c */
 void ro_gui_menus_init(void);