pkg/52363: xfce4 icon select dialog missing scrollbar

[martin%NetBSD.org@localhost]

>Number:         52363
>Category:       pkg
>Synopsis:       xfce4 icon select dialog missing scrollbar
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jul 03 14:05:00 +0000 2017
>Originator:     Martin Husemann
>Release:        NetBSD 8.99.1
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD night-owl.duskware.de 8.99.1 NetBSD 8.99.1 (NIGHT-OWL) #519: Mon Jul 3 12:56:35 CEST 2017 martin%night-owl.duskware.de@localhost:/usr/src/sys/arch/amd64/compile/NIGHT-OWL amd64
Architecture: x86_64
Machine: amd64
>Description:

When selecting an icon, the list view in the dialog does not show a
scrollbar any more.

>How-To-Repeat:
Create a new launcher, click on the icon selector button - after a minute
(or so) notice no scroll bar in the list of available icons.

>Fix:
n/a