g_object_interface_install_property(): Do interface-specific validations first
g_object_interface_install_property(): Do interface-specific validations first

https://bugzilla.gnome.org/show_bug.cgi?id=787551

johne53/MB3Glib,endlessm/glib,endlessm/glib,johne53/MB3Glib,endlessm/glib,johne53/MB3Glib,endlessm/glib,endlessm/glib,johne53/MB3Glib,johne53/MB3Glib,johne53/MB3Glib