Code review comment for lp:~larsu/gtk/custom-menu-items-v2

The patch also needs to update gtk/gtk.symbols with the new functions in order to build the packaging properly.

See:

5935 --- expected-abi 2013-05-27 11:42:17.616520780 -0400
5936 +++ actual-abi 2013-05-27 11:42:17.652520780 -0400
5937 @@ -4022,6 +4022,8 @@
5938 gtk_wrap_mode_get_type
5939 ubuntu_gtk_menu_shell_activate_first
5940 ubuntu_gtk_menu_shell_activate_mnemonic
5941 +ubuntu_menu_item_factory_create_menu_item
5942 +ubuntu_menu_item_factory_get_type
5943 ubuntu_menu_proxy_activate_menu
5944 ubuntu_menu_proxy_get
5945 ubuntu_menu_proxy_get_type
5946 FAIL: abicheck.sh