Namely
GtkComboBox
GtkComboBoxText
GtkMenuItem

Change-Id: I85a971ca9cee5f17649b93d13d6b2aeb5440f830
Reviewed-on: https://gerrit.libreoffice.org/55414Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>