Added return for sat up right mouse button menu

source/libublsettings-gtk3.c

@@ -1003,7 +1003,7 @@ rmb_menu_window *yon_rmb_menu_setup(GtkWidget *target_widget, int (show_function
             gtk_menu_shell_append(GTK_MENU_SHELL(window->menu),menu_item);
         }
         g_signal_connect(G_OBJECT(target_widget),"button-press-event",G_CALLBACK(on_rmb_menu_open),window);
+        return window;
     }
-
 }
 #endif