glade: Adapt to 3.36 release
Changes needed for new 3.36 glade release
https://mail.gnome.org/archives/ftp-release-list/2020-May/msg00014.html
fixes #267 (closed)
Changes needed for new 3.36 glade release
https://mail.gnome.org/archives/ftp-release-list/2020-May/msg00014.html
fixes #267 (closed)