[gnome-panel] image-menu-item: use gtk_container_class_handle_border_width

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 1f1050a41f67acd9967638550c3eb5c661cb2ab0
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Feb 17 15:00:34 2018 +0200

    image-menu-item: use gtk_container_class_handle_border_width

 libgnome-panel/gp-image-menu-item.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/libgnome-panel/gp-image-menu-item.c b/libgnome-panel/gp-image-menu-item.c
index e395ad8..5551337 100644
--- a/libgnome-panel/gp-image-menu-item.c
+++ b/libgnome-panel/gp-image-menu-item.c
@@ -324,6 +324,8 @@ gp_image_menu_item_class_init (GpImageMenuItemClass *item_class)
   container_class->remove = gp_image_menu_item_remove;
 
   menu_item_class->toggle_size_request = gp_image_menu_item_toggle_size_request;
+
+  gtk_container_class_handle_border_width (container_class);
 }
 
 static void