avahi-ui: replace gtk_vbox_new with gtk_box_new for GTK3 due to deprecation
avahi-ui: replace gtk_vbox_new with gtk_box_new for GTK3 due to deprecation

heftig/avahi,heftig/avahi,heftig/avahi,lathiat/avahi,lathiat/avahi,heftig/avahi,heftig/avahi,lathiat/avahi,lathiat/avahi,heftig/avahi-1,lathiat/avahi,heftig/avahi-1,lathiat/avahi,heftig/avahi-1,heftig/avahi-1,heftig/avahi-1,heftig/avahi-1,heftig/avahi